[JIRA] (JENKINS-56870) Flaky test: hudson.model.UpdateCenter2Test

[jsoref+jenk...@gmail.com (JIRA)]

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Josh Soref created an issue   Jenkins / JENKINS-56870 Flaky test: hudson.model.UpdateCenter2Test Issue Type: Bug Assignee: Unassigned Components: core Created: 2019-04-03 23:40 Priority: Minor Reporter: Josh Soref https://ci.jenkins.io/blue/organizations/jenkins/Core%2Fjenkins/detail/PR-3925/16/tests New failing - 4 Windows-jdk8 / Windows Publishing / installInvalidChecksum – hudson.model.UpdateCenter2Test 24s Stacktrace java.lang.NullPointerExceptionat hudson.model.UpdateCenter2Test.installInvalidChecksum(UpdateCenter2Test.java:69)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)at org.jvnet.hudson.test.JenkinsRule$1.evaluate(JenkinsRule.java:554)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)at java.util.concurrent.FutureTask.run(FutureTask.java:266)at java.lang.Thread.run(Thread.java:748) Standard Output === Starting installInvalidChecksum(hudson.model.UpdateCenter2Test) Standard Error 1.301 [id=70] INFO jenkins.InitReactorRunner$1#onAttained: Completed initialization1.652 [id=61] INFO hudson.util.Retrier#start: Attempt #1 to do the action check updates server23.177 [id=47] WARNING o.e.jetty.server.HttpChannel#handleException: /update-center.jsonjava.net.ConnectException: Connection timed out: connectat java.net.DualStackPlainSocketImpl.connect0(Native Method)at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)at java.net.Socket.connect(Socket.java:589)at java.net.Socket.connect(Socket.java:538)at sun.net.NetworkClient.doConnect(NetworkClient.java:180)at ... 23.204 [id=61] INFO hudson.util.Retrier#start: The attempt #1 to do the action check updates server failed with an allowed exception:java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:56112/update-center.json?id=default&version=2.171-rc28097.1c1450cf2707at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894)at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)at hudson.model.DownloadService.loadJSON(DownloadService.java:167)at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:188)at hudson.PluginManager.checkUpdatesServer(PluginManager.java:1747)at hudson.util.Retrier.start(Retrier.java:62)at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:1718)at hudson.model.UpdateCenter2Test.installInvalidChecksum(UpdateCenter2Test.java:65)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at ... 23.205 [id=61] INFO hudson.util.Retrier#start: Calling the listener of the allowed exception 'Server returned HTTP response code: 500 for URL: http://localhost:56112/update-center.json?id=default&version=2.171-rc28097.1c1450cf2707' at the attempt #1 to do the action check updates server23.207 [id=61] INFO hudson.util.Retrier#start: Attempted the action check updates server for 1 time(s) with no success23.209 [id=61] SEVERE hudson.PluginManager#doCheckUpdatesServer: Error checking update sites for 1 attempt(s). Last exception was: IOException: Server returned HTTP response code: 500 for URL: http://localhost:56112/update-center.json?id=default&version=2.171-rc28097.1c1450cf270723.215 [id=61] INFO jenkins.model.Jenkins#cleanUp: Stopping Jenkins23.285 [id=61] INFO jenkins.model.Jenkins#cleanUp: Jenkins stopped Windows-jdk8 / Windows Publishing / install – hudson.model.UpdateCenter2Test 3m 0s Error test timed out after 180 seconds Stacktrace org.junit.runners.model.TestTimedOutException: test timed out after 180 secondsat sun.misc.Unsafe.park(Native Method)at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:429)at java.util.concurrent.FutureTask.get(FutureTask.java:191)at hudson.model.UpdateCenter2Test.install(UpdateCenter2Test.java:51)at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.lang.reflect.Method.invoke(Method.java:498)at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)at org.jvnet.hudson.test.JenkinsRule$1.evaluate(JenkinsRule.java:554)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)at java.util.concurrent.FutureTask.run(FutureTask.java:266)at java.lang.Thread.run(Thread.java:748) Standard Output === Starting install(hudson.model.UpdateCenter2Test) Standard Error ... 21.134 [id=141] INFO h.model.UpdateCenter$DownloadJob#run: Starting the installation of JDK Tool on behalf of SYSTEM53.765 [id=55] WARNING o.e.jetty.server.HttpChannel#handleException: /update-center.jsonjava.util.concurrent.TimeoutException: Idle timeout expired: 30001/30000 msat org.eclipse.jetty.io.IdleTimeout.checkIdleTimeout(IdleTimeout.java:166)at org.eclipse.jetty.io.IdleTimeout$1.run(IdleTimeout.java:50)at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)at java.util.concurrent.FutureTask.run(FutureTask.java:266)at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)at ... 54.892 [id=141] INFO h.model.UpdateCenter$DownloadJob#run: Starting the installation of Script Security on behalf of SYSTEM68.447 [id=141] INFO h.m.UpdateCenter$UpdateCenterConfiguration#download: Downloading Script Security68.750 [id=141] INFO h.model.UpdateCenter$DownloadJob#run: Starting the installation of Command Agent Launcher on behalf of SYSTEM85.508 [id=141] INFO h.m.UpdateCenter$UpdateCenterConfiguration#download: Downloading Command Agent Launcher85.536 [id=141] INFO h.model.UpdateCenter$DownloadJob#run: Starting the installation of Structs on behalf of SYSTEM105.538 [id=141] INFO h.m.UpdateCenter$UpdateCenterConfiguration#download: Downloading Structs105.539 [id=141] SEVERE h.model.UpdateCenter$DownloadJob#run: Failed to install Structsjava.net.SocketTimeoutException: connect timed outat java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)at ... hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1174)Caused: java.io.IOException: Failed to load [http://updates.jenkins-ci.org/download/plugins/structs/1.17/structs.hpi] to C:\Jenkins\workspace\Core_jenkins_PR-3925\test\target\jenkins3715357382701635203\structs.jpi.tmpat hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1181)Caused: java.io.IOException: Failed to download from [http://updates.jenkins-ci.org/download/plugins/structs/1.17/structs.hpiat] hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1215)at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1752)at ... 105.543 [id=141] INFO h.model.UpdateCenter$DownloadJob#run: Starting the installation of Pipeline: Step API on behalf of SYSTEM125.543 [id=141] INFO h.m.UpdateCenter$UpdateCenterConfiguration#download: Downloading Pipeline: Step API125.544 [id=141] SEVERE h.model.UpdateCenter$DownloadJob#run: Failed to install Pipeline: Step APIjava.net.SocketTimeoutException: connect timed outat java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:85)at ... hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1158)Caused: java.net.SocketTimeoutException: connect timed outat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)at ... hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1174)Caused: java.io.IOException: Failed to load [http://updates.jenkins-ci.org/download/plugins/workflow-step-api/2.19/workflow-step-api.hpi] to C:\Jenkins\workspace\Core_jenkins_PR-3925\test\target\jenkins3715357382701635203\workflow-step-api.jpi.tmpat hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1181)Caused: java.io.IOException: Failed to download from [http://updates.jenkins-ci.org/download/plugins/workflow-step-api/2.19/workflow-step-api.hpiat] hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1215)at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1752)at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2015)at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1726)at ... 125.545 [id=141] INFO h.model.UpdateCenter$DownloadJob#run: Starting the installation of Pipeline: SCM Step on behalf of SYSTEM151.527 [id=141] INFO h.m.UpdateCenter$UpdateCenterConfiguration#download: Downloading Pipeline: SCM Step151.528 [id=141] SEVERE h.model.UpdateCenter$DownloadJob#run: Failed to install Pipeline: SCM Stepjava.net.SocketTimeoutException: connect timed outat java.net.DualStackPlainSocketImpl.waitForConnect(Native Method)at ... hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1158)Caused: java.net.SocketTimeoutException: connect timed outat sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)at ... hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1174)Caused: java.io.IOException: Failed to load [http://updates.jenkins-ci.org/download/plugins/workflow-scm-step/2.7/workflow-scm-step.hpi] to C:\Jenkins\workspace\Core_jenkins_PR-3925\test\target\jenkins3715357382701635203\workflow-scm-step.jpi.tmpat hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1181)Caused: java.io.IOException: Failed to download from [http://updates.jenkins-ci.org/download/plugins/workflow-scm-step/2.7/workflow-scm-step.hpi] (redirected to: [http://mirrors.jenkins-ci.org/plugins/workflow-scm-step/2.7/workflow-scm-step.hpi)at] Windows-jdk11 / Windows Publishing / installInvalidChecksum – hudson.model.UpdateCenter2Test 29s Stacktrace java.lang.NullPointerExceptionat hudson.model.UpdateCenter2Test.installInvalidChecksum(UpdateCenter2Test.java:69)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.base/java.lang.reflect.Method.invoke(Method.java:566)at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)at org.jvnet.hudson.test.JenkinsRule$1.evaluate(JenkinsRule.java:554)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)at java.base/java.lang.Thread.run(Thread.java:834) Standard Output === Starting installInvalidChecksum(hudson.model.UpdateCenter2Test) Standard Error ... 28.951 [id=59] INFO hudson.util.Retrier#start: The attempt #1 to do the action check updates server failed with an allowed exception:java.io.IOException: Server returned HTTP response code: 500 for URL: [http://localhost:56276/update-center.json?id=default&version=2.171-rc28097.141f8d34af37at] java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1913)at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1509)at ... 28.952 [id=59] INFO hudson.util.Retrier#start: Calling the listener of the allowed exception 'Server returned HTTP response code: 500 for URL: [http://localhost:56276/update-center.json?id=default&version=2.171-rc28097.141f8d34af37]' at the attempt #1 to do the action check updates server28.955 [id=59] INFO hudson.util.Retrier#start: Attempted the action check updates server for 1 time(s) with no success28.959 [id=59] SEVERE hudson.PluginManager#doCheckUpdatesServer: Error checking update sites for 1 attempt(s). Last exception was: IOException: Server returned HTTP response code: 500 for URL: [http://localhost:56276/update-center.json?id=default&version=2.171-rc28097.141f8d34af3728.965] [id=59] INFO jenkins.model.Jenkins#cleanUp: Stopping Jenkins29.067 [id=59] INFO jenkins.model.Jenkins#cleanUp: Jenkins stopped {code:java} h2. Windows-jdk11 / Windows Publishing / install – hudson.model.UpdateCenter2Test 22s Stacktrace java.lang.NullPointerExceptionat hudson.model.UpdateCenter2Test.install(UpdateCenter2Test.java:51)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)at java.base/java.lang.reflect.Method.invoke(Method.java:566)at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)at org.jvnet.hudson.test.JenkinsRule$1.evaluate(JenkinsRule.java:554)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)at org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)at java.base/java.lang.Thread.run(Thread.java:834) Standard Output === Starting install(hudson.model.UpdateCenter2Test) Standard Error 0.072 [id=103] INFO o.jvnet.hudson.test.JenkinsRule#createWebServer: Running on http://localhost:56410/jenkins/0.153 [id=110] INFO jenkins.InitReactorRunner$1#onAttained: Started initialization0.158 [id=113] INFO jenkins.InitReactorRunner$1#onAttained: Listed all plugins0.516 [id=111] INFO jenkins.InitReactorRunner$1#onAttained: Prepared all plugins0.518 [id=111] INFO jenkins.InitReactorRunner$1#onAttained: Started all plugins0.636 [id=112] INFO jenkins.InitReactorRunner$1#onAttained: Augmented all extensions1.007 [id=109] INFO h.ExtensionFinder$GuiceFinder$FaultTolerantScope$1#error: Failed to instantiate optional component com.cloudbees.hudson.plugins.folder.properties.FolderCredentialsProvider$FolderCredentialsProperty$DescriptorImpl; skipping1.088 [id=112] INFO jenkins.InitReactorRunner$1#onAttained: Loaded all jobs1.175 [id=112] INFO jenkins.InitReactorRunner$1#onAttained: Completed initialization1.331 [id=103] INFO hudson.util.Retrier#start: Attempt #1 to do the action check updates server22.333 [id=47] WARNING o.e.jetty.server.HttpChannel#handleException: /update-center.jsonjava.net.ConnectException: Connection timed out: connectat java.base/java.net.PlainSocketImpl.connect0(Native Method)at java.base/java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:101)at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:399)at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:242)at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:224)at java.base/java.net.Socket.connect(Socket.java:591)at java.base/java.net.Socket.connect(Socket.java:540)at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:182)at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474)at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:569)at java.base/sun.net.www.http.HttpClient.<init>(HttpClient.java:242)at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:341)at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:362)at java.base/sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1242)at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1181)at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1075)at java.base/sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:1009)at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1581)at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1509)at java.base/java.net.URL.openStream(URL.java:1117)at org.apache.commons.io.FileUtils.copyURLToFile(FileUtils.java:1456)at org.jvnet.hudson.test.JavaNetReverseProxy.service(JavaNetReverseProxy.java:83)at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:841)at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:535)at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)at org.eclipse.jetty.server.Server.handle(Server.java:564)at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:317)at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:110)at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)at org.eclipse.jetty.util.thread.Invocable.invokePreferred(Invocable.java:128)at org.eclipse.jetty.util.thread.Invocable$InvocableExecutor.invoke(Invocable.java:222)at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:294)at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:126)at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:672)at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:590)at java.base/java.lang.Thread.run(Thread.java:834)22.336 [id=103] INFO hudson.util.Retrier#start: The attempt #1 to do the action check updates server failed with an allowed exception:java.io.IOException: Server returned HTTP response code: 500 for URL: http://localhost:56276/update-center.json?id=default&version=2.171-rc28097.141f8d34af37at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1913)at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1509)at hudson.model.DownloadService.loadJSON(DownloadService.java:167)at hudson.model.UpdateSite.updateDirectlyNow(UpdateSite.java:188)at hudson.PluginManager.checkUpdatesServer(PluginManager.java:1747)at hudson.util.Retrier.start(Retrier.java:62)at hudson.PluginManager.doCheckUpdatesServer(PluginManager.java:1718)at hudson.model.UpdateCenter2Test.install(UpdateCenter2Test.java:50)at ... 22.337 [id=103] INFO hudson.util.Retrier#start: Calling the listener of the allowed exception 'Server returned HTTP response code: 500 for URL: http://localhost:56276/update-center.json?id=default&version=2.171-rc28097.141f8d34af37' at the attempt #1 to do the action check updates server22.337 [id=103] INFO hudson.util.Retrier#start: Attempted the action check updates server for 1 time(s) with no success22.337 [id=103] SEVERE hudson.PluginManager#doCheckUpdatesServer: Error checking update sites for 1 attempt(s). Last exception was: IOException: Server returned HTTP response code: 500 for URL: http://localhost:56276/update-center.json?id=default&version=2.171-rc28097.141f8d34af3722.340 [id=103] INFO jenkins.model.Jenkins#cleanUp: Stopping Jenkins22.409 [id=103] INFO jenkins.model.Jenkins#cleanUp: Jenkins stopped Add Comment   This message was sent by Atlassian Jira (v7.11.2#711002-sha1:fdc329d) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-issues+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.