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Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 7ee07632-df7c-4cea-afe8-9e46350a01b5
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID ae8d29ca-d62c-4bc4-8b07-cc9fc57239a0
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 6dfdd262-c5c7-4550-bce3-e7b33432b8d8
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 77865a9c-7ca5-4794-8142-7a5e956f4df7
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 9d3892df-04e6-4b83-b922-685e99506d0a
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 63281f63-ecb2-49de-9437-10f89be23d8c
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID f046dba7-a981-4965-a95a-ae44c71fb804
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 2f87a8a8-1535-4721-8976-4e8c6f3f5fd5
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID b31e10e4-965a-403c-a8f9-cf6821c60853
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 57f8b39c-0217-4b32-aafc-30cdbe4bc2d8
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 5b08885c-2230-4741-9400-e6f6e1ba9918
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID a38d8ce6-cc3a-41af-afdb-d0eaad955e5b
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 382ee0d7-28e3-4c08-b088-ab713f2f1fa7
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID ecae7a5e-d9fa-4a8a-9175-7daeac3817bc
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 9a80e17f-4cec-4ad7-a0a6-b8d1e7020acd
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 2b56df80-f110-4719-94cf-6f7a6cf3f25e
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 51f8809d-0014-48a1-a5af-8892eeba3695
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Caught unhandled exception with ID f6895799-8457-48d4-9522-e95fa42ac3a6
java.lang.IllegalArgumentException: No such adjunct found: lib/layout/breadcrumbs.css
	at org.kohsuke.stapler.framework.adjunct.AdjunctManager.doDynamic(AdjunctManager.java:184)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:580)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:327)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID 6bb8e884-cdfb-4ab1-812c-e4f3624ef33e
java.lang.IllegalArgumentException: No such adjunct found: org/kohsuke/stapler/simile/timeline_ajax/styles/graphics.css
	at org.kohsuke.stapler.framework.adjunct.AdjunctManager.doDynamic(AdjunctManager.java:184)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$10.dispatch(MetaClass.java:580)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.MetaClass$4.doDispatch(MetaClass.java:327)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID df57981c-82e3-4d7d-b69e-4182316ceb2f
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.runTask(AdaptiveExecutionStrategy.java:421)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.consumeTask(AdaptiveExecutionStrategy.java:390)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.tryProduce(AdaptiveExecutionStrategy.java:277)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.strategy.AdaptiveExecutionStrategy.run(AdaptiveExecutionStrategy.java:199)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:411)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Error while serving http://144.123.43.78:9208/jenkins/iconSize
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
Caused: java.lang.reflect.InvocationTargetException
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:438)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Caught unhandled exception with ID f7fd5a75-5647-4049-bb9f-3901b2ddbd4c
javax.servlet.ServletException
	at jenkins.model.Jenkins.doIconSize(Jenkins.java:4924)
	at java.base/java.lang.invoke.MethodHandle.invokeWithArguments(Unknown Source)
	at org.kohsuke.stapler.Function$MethodFunction.invoke(Function.java:434)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:447)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:212)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:139)
	at org.kohsuke.stapler.MetaClass$11.doDispatch(MetaClass.java:644)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:61)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:804)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:942)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:725)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:253)
	at Jenkins Main ClassLoader//javax.servlet.http.HttpServlet.service(HttpServlet.java:590)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:764)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1665)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:163)
	at jenkins.util.HttpServletFilter$1.doFilter(HttpServletFilter.java:76)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:160)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:166)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.ErrorAttributeFilter.doFilter(ErrorAttributeFilter.java:29)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:160)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:94)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:111)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:172)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.UncaughtExceptionFilter.doFilter(UncaughtExceptionFilter.java:27)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:86)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:31)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at jenkins.security.SuspiciousRequestFilter.doFilter(SuspiciousRequestFilter.java:38)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:202)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1635)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:527)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:131)
	at Jenkins Main ClassLoader//org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:569)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:223)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1580)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:221)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1384)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:176)
	at Jenkins Main ClassLoader//org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:484)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1553)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:174)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1306)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:129)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:822)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:122)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.Server.handle(Server.java:563)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel$RequestDispatchable.dispatch(HttpChannel.java:1598)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:753)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:501)
	at Jenkins Main ClassLoader//org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:287)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:314)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:100)
	at Jenkins Main ClassLoader//org.eclipse.jetty.io.SelectableChannelEndPoint$1.run(SelectableChannelEndPoint.java:53)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at Jenkins Main ClassLoader//org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Unknown Source)

Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
Attempt #1 to do the action check updates server
The attempt #1 to do the action check updates server failed with an allowed exception:
java.io.FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
	at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at hudson.model.DownloadService.loadJSON(DownloadService.java:122)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:217)
	at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:212)
	at hudson.PluginManager.checkUpdatesServer(PluginManager.java:2117)
	at hudson.util.Retrier.start(Retrier.java:62)
	at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:2088)
	at jenkins.DailyCheck.execute(DailyCheck.java:93)
	at hudson.model.AsyncPeriodicWork.lambda$doRun$0(AsyncPeriodicWork.java:102)
	at java.base/java.lang.Thread.run(Unknown Source)

Calling the listener of the allowed exception 'http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464' at the attempt #1 to do the action check updates server
Attempted the action check updates server for 1 time(s) with no success
Error checking update sites for 1 attempt(s). Last exception was: FileNotFoundException: http://mirror.xmission.com/jenkins/updates/update-center.json?id=default&version=2.464