ClosedChannelException with a history of a Java heap dump a few days before

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    • Type: Bug
    • Resolution: Not A Defect
    • Priority: Major
    • Component/s: remoting
    • Environment:
      Agent: Windows Datacenter 2016 with 16GB RAM from Azure
      Server: a custom Docker image off jenkins/jenkins:lts running with a Docker daemon on RedHat 7 with 32GB RAM from Azure

      We have a long-running mute task (Fortify's sourceanalyzer) that is supposed to chug on the analysis for 16 hours (as it did on 2020-05-20). This started getting disrupted in 5.5 hours with the last Jenkins version 2.242 (or a couple versions before it) and/or last Jenkins plugin updates in the last month.

      15:38:13 Analyze...
15:38:13 + "/cygdrive/e/fortify/bin/sourceanalyzer" -Xmx12000M -debug -logfile "fortify\\fortify-scan.log" -b "PROJECT" -64 -scan -f "fortify\\fortify-PROJECT.fpr"
21:15:58 FATAL: command execution failed
21:15:58 java.nio.channels.ClosedChannelException
21:15:58 	at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:209)
21:15:58 	at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:221)
21:15:58 	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:816)
21:15:58 	at org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:181)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.switchToNoSecure(SSLEngineFilterLayer.java:283)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processWrite(SSLEngineFilterLayer.java:503)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processQueuedWrites(SSLEngineFilterLayer.java:248)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doSend(SSLEngineFilterLayer.java:200)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doCloseSend(SSLEngineFilterLayer.java:213)
21:15:58 	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.doCloseSend(ProtocolStack.java:784)
21:15:58 	at org.jenkinsci.remoting.protocol.ApplicationLayer.doCloseWrite(ApplicationLayer.java:172)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer$ByteBufferCommandTransport.closeWrite(ChannelApplicationLayer.java:314)
21:15:58 	at hudson.remoting.Channel.close(Channel.java:1493)
21:15:58 	at hudson.remoting.Channel.close(Channel.java:1446)
21:15:58 	at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:877)
21:15:58 	at hudson.slaves.SlaveComputer.access$100(SlaveComputer.java:113)
21:15:58 	at hudson.slaves.SlaveComputer$2.run(SlaveComputer.java:768)
21:15:58 	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
21:15:58 	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
21:15:58 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
21:15:58 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
21:15:58 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
21:15:58 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
21:15:58 	at java.lang.Thread.run(Thread.java:748)
21:15:58 Caused: java.io.IOException: Backing channel 'JNLP4-connect connection from CLIENTADDR/CLIENTADDR:50112' is disconnected.
21:15:58 	at hudson.remoting.RemoteInvocationHandler.channelOrFail(RemoteInvocationHandler.java:216)
21:15:58 	at hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:285)
21:15:58 	at com.sun.proxy.$Proxy102.isAlive(Unknown Source)
21:15:58 	at hudson.Launcher$RemoteLauncher$ProcImpl.isAlive(Launcher.java:1147)
21:15:58 	at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:1139)
21:15:58 	at hudson.tasks.CommandInterpreter.join(CommandInterpreter.java:155)
21:15:58 	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:109)
21:15:58 	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:66)
21:15:58 	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
21:15:58 	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:741)
21:15:58 	at hudson.model.Build$BuildExecution.build(Build.java:206)
21:15:58 	at hudson.model.Build$BuildExecution.doRun(Build.java:163)
21:15:58 	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)
21:15:58 	at hudson.model.Run.execute(Run.java:1880)
21:15:58 	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
21:15:58 	at hudson.model.ResourceController.execute(ResourceController.java:97)
21:15:58 	at hudson.model.Executor.run(Executor.java:428)
21:15:58 FATAL: Unable to delete script file C:\windows\TEMP\jenkins8068258613156310901.bat
21:15:58 java.nio.channels.ClosedChannelException
21:15:58 	at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:209)
21:15:58 	at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:221)
21:15:58 	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:816)
21:15:58 	at org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:181)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.switchToNoSecure(SSLEngineFilterLayer.java:283)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processWrite(SSLEngineFilterLayer.java:503)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processQueuedWrites(SSLEngineFilterLayer.java:248)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doSend(SSLEngineFilterLayer.java:200)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doCloseSend(SSLEngineFilterLayer.java:213)
21:15:58 	at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.doCloseSend(ProtocolStack.java:784)
21:15:58 	at org.jenkinsci.remoting.protocol.ApplicationLayer.doCloseWrite(ApplicationLayer.java:172)
21:15:58 	at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer$ByteBufferCommandTransport.closeWrite(ChannelApplicationLayer.java:314)
21:15:58 	at hudson.remoting.Channel.close(Channel.java:1493)
21:15:58 	at hudson.remoting.Channel.close(Channel.java:1446)
21:15:58 	at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:877)
21:15:58 	at hudson.slaves.SlaveComputer.access$100(SlaveComputer.java:113)
21:15:58 	at hudson.slaves.SlaveComputer$2.run(SlaveComputer.java:768)
21:15:58 	at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
21:15:58 	at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
21:15:58 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
21:15:58 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
21:15:58 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
21:15:58 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
21:15:58 	at java.lang.Thread.run(Thread.java:748)
21:15:58 Caused: hudson.remoting.ChannelClosedException: Channel "hudson.remoting.Channel@42036b30:JNLP4-connect connection from CLIENTADDR/CLIENTADDR:50112": Remote call on JNLP4-connect connection from CLIENTADDR/CLIENTADDR:50112 failed. The channel is closing down or has closed down
21:15:58 	at hudson.remoting.Channel.call(Channel.java:991)
21:15:58 	at hudson.FilePath.act(FilePath.java:1069)
21:15:58 	at hudson.FilePath.act(FilePath.java:1058)
21:15:58 	at hudson.FilePath.delete(FilePath.java:1543)
21:15:58 	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:123)
21:15:58 	at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:66)
21:15:58 	at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
21:15:58 	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:741)
21:15:58 	at hudson.model.Build$BuildExecution.build(Build.java:206)
21:15:58 	at hudson.model.Build$BuildExecution.doRun(Build.java:163)
21:15:58 	at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)
21:15:58 	at hudson.model.Run.execute(Run.java:1880)
21:15:58 	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
21:15:58 	at hudson.model.ResourceController.execute(ResourceController.java:97)
21:15:58 	at hudson.model.Executor.run(Executor.java:428)
21:15:58 Build step 'Execute Windows batch command' marked build as failure

      My Jenkins agent's jar is dated 2020-05-05 and has a version 4.3 in it,

      $ unzip -p /cygdrive/e/jenkins_agent/agent.jar jenkins/remoting/jenkins-version.properties
version=4.3

      Its wrapper log shows no records between 2 days ago 2020-06-27 and today's 2020-06-29 disconnect at 21:16.

      2020-06-27 12:48:40,059 DEBUG - Completed. Exit code is 0
2020-06-29 21:16:13,033 DEBUG - Starting WinSW in the CLI mode
2020-06-29 21:16:20,828 INFO  - Restarting the service with id 'jenkins_agent'
2020-06-29 21:16:20,987 DEBUG - Completed. Exit code is 0
2020-06-29 21:16:21,338 DEBUG - Starting WinSW in the CLI mode
2020-06-29 21:16:24,014 INFO  - Restarting the service with id 'jenkins_agent'
2020-06-29 21:16:24,162 INFO  - Stopping jenkins_agent
2020-06-29 21:16:24,176 DEBUG - ProcessKill 10260
2020-06-29 21:16:24,492 INFO  - Found child process: 14484 Name: conhost.exe
2020-06-29 21:16:24,933 INFO  - Stopping process 14484
2020-06-29 21:16:24,942 INFO  - Send SIGINT 14484
2020-06-29 21:16:24,949 WARN  - SIGINT to 14484 failed - Killing as fallback
2020-06-29 21:16:24,957 INFO  - Stopping process 10260
2020-06-29 21:16:24,963 INFO  - Send SIGINT 10260
2020-06-29 21:16:24,984 WARN  - SIGINT to 10260 failed - Killing as fallback
2020-06-29 21:16:24,994 INFO  - Finished jenkins_agent
2020-06-29 21:16:24,997 DEBUG - Completed. Exit code is 0
2020-06-29 21:16:26,007 DEBUG - Starting WinSW in the service mode
2020-06-29 21:16:26,052 DEBUG - Completed. Exit code is 0
2020-06-29 21:16:26,202 DEBUG - Checking the potentially runaway process with PID=10260
2020-06-29 21:16:26,212 DEBUG - No runaway process with PID=10260. The process has been already stopped.
2020-06-29 21:16:26,399 INFO  - Started process 13932
2020-06-29 21:16:26,451 DEBUG - Forwarding logs of the process System.Diagnostics.Process (java) to winsw.SizeBasedRollingLogAppender
2020-06-29 21:16:26,472 INFO  - Recording PID of the started process:13932. PID file destination is E:\jenkins_agent\jenkins_agent.pid
2020-06-29 21:16:39,440 DEBUG - Starting WinSW in the CLI mode
2020-06-29 21:16:39,710 DEBUG - User requested the status of the process with id 'jenkins_agent'
2020-06-29 21:16:39,718 DEBUG - Completed. Exit code is 0

      The agent's error log reveals an out-of-memory error. (I wonder if this is due to our agent's Windows Datacenter 2016 machine having some temporary memory size fluctuations? Could it be an Azure Spot instance? I don't know).

      Jun 27, 2020 12:48:35 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Agent discovery successful
  Agent address: SERVERHOST
  Agent port:    50000
  Identity:      07:d6:1b:ab:77:2a:99:d2:bd:bd:06:17:f7:03:2e:ed
Jun 27, 2020 12:48:35 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Handshaking
Jun 27, 2020 12:48:35 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to SERVERHOST:50000
Jun 27, 2020 12:48:35 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Trying protocol: JNLP4-connect
Jun 27, 2020 12:48:35 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Remote identity confirmed: 07:d6:1b:ab:77:2a:99:d2:bd:bd:06:17:f7:03:2e:ed
Jun 27, 2020 12:48:37 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connected
Jun 29, 2020 9:11:58 PM hudson.remoting.Channel$1 handle
SEVERE: Failed to execute command UserRequest:hudson.remoting.PingThread$Ping@38f129d5 (channel JNLP4-connect connection to SERVERHOST/SERVERADDR:50000)
java.lang.OutOfMemoryError: unable to create new native thread
        at java.lang.Thread.start0(Native Method)
        at java.lang.Thread.start(Thread.java:717)
        at java.util.concurrent.ThreadPoolExecutor.addWorker(ThreadPoolExecutor.java:957)
        at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1378)
        at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
        at hudson.remoting.DelegatingExecutorService.submit(DelegatingExecutorService.java:42)
        at hudson.remoting.InterceptingExecutorService.submit(InterceptingExecutorService.java:46)
        at hudson.remoting.InterceptingExecutorService.submit(InterceptingExecutorService.java:41)
        at hudson.remoting.Request.execute(Request.java:348)
        at hudson.remoting.Channel$1.handle(Channel.java:606)
        at hudson.remoting.AbstractByteBufferCommandTransport.processCommand(AbstractByteBufferCommandTransport.java:203)
        at hudson.remoting.AbstractByteBufferCommandTransport.receive(AbstractByteBufferCommandTransport.java:189)
        at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onRead(ChannelApplicationLayer.java:187)
        at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecv(ApplicationLayer.java:206)
        at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668)
        at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processRead(SSLEngineFilterLayer.java:369)
        at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecv(SSLEngineFilterLayer.java:117)
        at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668)
        at org.jenkinsci.remoting.protocol.NetworkLayer.onRead(NetworkLayer.java:136)
        at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$2200(BIONetworkLayer.java:48)
        at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:283)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:117)
        at java.lang.Thread.run(Thread.java:748)

Jun 29, 2020 9:11:58 PM hudson.remoting.Channel$1 handle
SEVERE: This command is created here
Command UserRequest:hudson.remoting.PingThread$Ping@38f129d5 created at
        at hudson.remoting.Command.<init>(Command.java:81)
        at hudson.remoting.Request.<init>(Request.java:112)
        at hudson.remoting.Request.<init>(Request.java:107)
        at hudson.remoting.UserRequest.<init>(UserRequest.java:77)
        at hudson.remoting.Channel.callAsync(Channel.java:1028)
        at hudson.remoting.PingThread.ping(PingThread.java:109)
        at hudson.remoting.PingThread.run(PingThread.java:89)

Jun 29, 2020 9:15:58 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Terminated
Jun 29, 2020 9:16:08 PM hudson.util.ProcessTree getKillers
WARNING: Failed to obtain killers
hudson.remoting.ChannelClosedException: Channel "hudson.remoting.Channel@71ab9337:JNLP4-connect connection to SERVERHOST/SERVERADDR:50000": Remote call on JNLP4-connect connection to SERVERHOST/SERVERADDR:50000 failed. The channel is closing down or has closed down
        at hudson.remoting.Channel.call(Channel.java:991)
        at hudson.util.ProcessTree.getKillers(ProcessTree.java:198)
        at hudson.util.ProcessTree$OSProcess.killByKiller(ProcessTree.java:261)
        at hudson.util.ProcessTree$WindowsOSProcess.killRecursively(ProcessTree.java:546)
        at hudson.util.ProcessTree.killAll(ProcessTree.java:182)
        at hudson.Proc$LocalProc.destroy(Proc.java:387)
        at hudson.Proc$LocalProc.join(Proc.java:360)
        at hudson.Launcher$RemoteLaunchCallable$1.join(Launcher.java:1321)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:931)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:905)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:857)
        at hudson.remoting.UserRequest.perform(UserRequest.java:211)
        at hudson.remoting.UserRequest.perform(UserRequest.java:54)
        at hudson.remoting.Request$2.run(Request.java:369)
        at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:117)
        at java.lang.Thread.run(Thread.java:748)
Caused by: hudson.remoting.Channel$OrderlyShutdown: Command Close created at
        at hudson.remoting.Channel$CloseCommand.execute(Channel.java:1314)
        at hudson.remoting.Channel$1.handle(Channel.java:606)
        at hudson.remoting.AbstractByteBufferCommandTransport.processCommand(AbstractByteBufferCommandTransport.java:203)
        at hudson.remoting.AbstractByteBufferCommandTransport.receive(AbstractByteBufferCommandTransport.java:189)
        at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onRead(ChannelApplicationLayer.java:187)
        at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecv(ApplicationLayer.java:206)
        at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668)
        at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processRead(SSLEngineFilterLayer.java:369)
        at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecv(SSLEngineFilterLayer.java:117)
        at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668)
        at org.jenkinsci.remoting.protocol.NetworkLayer.onRead(NetworkLayer.java:136)
        at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$2200(BIONetworkLayer.java:48)
        at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:283)
        ... 4 more
Caused by: Command Close created at
        at hudson.remoting.Command.<init>(Command.java:70)
        at hudson.remoting.Channel$CloseCommand.<init>(Channel.java:1308)
        at hudson.remoting.Channel$CloseCommand.<init>(Channel.java:1306)
        at hudson.remoting.Channel.close(Channel.java:1479)
        at hudson.remoting.Channel.close(Channel.java:1446)
        at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:877)
        at hudson.slaves.SlaveComputer.access$100(SlaveComputer.java:113)
        at hudson.slaves.SlaveComputer$2.run(SlaveComputer.java:768)
        at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
        at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        ... 1 more

Jun 29, 2020 9:16:09 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Performing onReconnect operation.
Jun 29, 2020 9:16:09 PM jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$FindEffectiveRestarters$1 onReconnect
INFO: Restarting agent via jenkins.slaves.restarter.WinswSlaveRestarter@6ebaa9e7
Jun 29, 2020 9:16:21 PM hudson.Launcher$RemoteLaunchCallable$1 join
INFO: Failed to synchronize IO streams on the channel hudson.remoting.Channel@71ab9337:JNLP4-connect connection to SERVERHOST/SERVERADDR:50000
hudson.remoting.ChannelClosedException: Channel "hudson.remoting.Channel@71ab9337:JNLP4-connect connection to SERVERHOST/SERVERADDR:50000": Remote call on JNLP4-connect connection to SERVERHOST/SERVERADDR:50000 failed. The channel is closing down or has closed down
        at hudson.remoting.Channel.call(Channel.java:991)
        at hudson.remoting.Channel.syncIO(Channel.java:1730)
        at hudson.Launcher$RemoteLaunchCallable$1.join(Launcher.java:1328)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:931)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:905)
        at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:857)
        at hudson.remoting.UserRequest.perform(UserRequest.java:211)
        at hudson.remoting.UserRequest.perform(UserRequest.java:54)
        at hudson.remoting.Request$2.run(Request.java:369)
        at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at hudson.remoting.Engine$1.lambda$newThread$0(Engine.java:117)
        at java.lang.Thread.run(Thread.java:748)
Caused by: hudson.remoting.Channel$OrderlyShutdown: Command Close created at
        at hudson.remoting.Channel$CloseCommand.execute(Channel.java:1314)
        at hudson.remoting.Channel$1.handle(Channel.java:606)
        at hudson.remoting.AbstractByteBufferCommandTransport.processCommand(AbstractByteBufferCommandTransport.java:203)
        at hudson.remoting.AbstractByteBufferCommandTransport.receive(AbstractByteBufferCommandTransport.java:189)
        at org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onRead(ChannelApplicationLayer.java:187)
        at org.jenkinsci.remoting.protocol.ApplicationLayer.onRecv(ApplicationLayer.java:206)
        at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668)
        at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processRead(SSLEngineFilterLayer.java:369)
        at org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecv(SSLEngineFilterLayer.java:117)
        at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecv(ProtocolStack.java:668)
        at org.jenkinsci.remoting.protocol.NetworkLayer.onRead(NetworkLayer.java:136)
        at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$2200(BIONetworkLayer.java:48)
        at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:283)
        ... 4 more
Caused by: Command Close created at
        at hudson.remoting.Command.<init>(Command.java:70)
        at hudson.remoting.Channel$CloseCommand.<init>(Channel.java:1308)
        at hudson.remoting.Channel$CloseCommand.<init>(Channel.java:1306)
        at hudson.remoting.Channel.close(Channel.java:1479)
        at hudson.remoting.Channel.close(Channel.java:1446)
        at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:877)
        at hudson.slaves.SlaveComputer.access$100(SlaveComputer.java:113)
        at hudson.slaves.SlaveComputer$2.run(SlaveComputer.java:768)
        at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
        at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        ... 1 more

Jun 29, 2020 9:16:21 PM hudson.remoting.Request$2 run
INFO: Failed to send back a reply to the request hudson.remoting.Request$2@6ed67717: hudson.remoting.ChannelClosedException: Channel "hudson.remoting.Channel@71ab9337:JNLP4-connect connection to SERVERHOST/SERVERADDR:50000": channel is already closed
Jun 29, 2020 9:16:28 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir
INFO: Using E:\jenkins_agent\remoting as a remoting work directory
Jun 29, 2020 9:16:28 PM org.jenkinsci.remoting.engine.WorkDirManager setupLogging
INFO: Both error and output logs will be printed to E:\jenkins_agent\remoting
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main createEngine
INFO: Setting up agent: AGENTHOST
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener <init>
INFO: Jenkins agent is running in headless mode.
Jun 29, 2020 9:16:31 PM hudson.remoting.Engine startEngine
INFO: Using Remoting version: 4.3
Jun 29, 2020 9:16:31 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDir
INFO: Using E:\jenkins_agent\remoting as a remoting work directory
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Locating server among [https://SERVERHOST:8083/]
Jun 29, 2020 9:16:31 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve
INFO: Remoting server accepts the following protocols: [JNLP4-connect, Ping]
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Agent discovery successful
  Agent address: SERVERHOST
  Agent port:    50000
  Identity:      07:d6:1b:ab:77:2a:99:d2:bd:bd:06:17:f7:03:2e:ed
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Handshaking
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connecting to SERVERHOST:50000
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Trying protocol: JNLP4-connect
Jun 29, 2020 9:16:31 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Remote identity confirmed: 07:d6:1b:ab:77:2a:99:d2:bd:bd:06:17:f7:03:2e:ed
Jun 29, 2020 9:16:33 PM hudson.remoting.jnlp.Main$CuiListener status
INFO: Connected

      A 2020-06-26 agent output log mentions a Java heap dump,

      [thread 4380 also had an error]
[thread 9376 also had an error]

[error occurred during error reporting (null), id 0xc0000005]
#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (malloc) failed to allocate 165776 bytes for Chunk::new
# An error report file with more information is saved as:
# E:\jenkins_agent\hs_err_pid13852.log
#
# Compiler replay data is saved as:
# E:\jenkins_agent\replay_pid13852.log
An unrecoverable stack overflow has occurred.
An unrecoverable stack overflow has occurred.
[thread 8496 also had an error]

      I will attach the dump log and err files.

      The jenkins_agent.xml file (minus some commented out cruft) follows.

      <service>
  <id>jenkins_agent</id>
  <name>jenkins_agent</name>
  <description>This service runs an agent for Jenkins automation server.</description>
  <executable>e:\java8\jre\bin\java.exe</executable>
  <arguments>-Xrs  -jar "%BASE%\agent.jar" -jnlpUrl https://SERVERHOST:8083/computer/AGENTHOST/slave-agent.jnlp -secret @"%BASE%\secret-file" -workDir "%BASE%"</arguments>
  <logmode>rotate</logmode>
  <onfailure action="restart" />
  <extensions>
    <!-- This is a sample configuration for the RunawayProcessKiller extension. -->
    <extension enabled="true"
               className="winsw.Plugins.RunawayProcessKiller.RunawayProcessKillerExtension"
               id="killOnStartup">
      <pidfile>%BASE%\jenkins_agent.pid</pidfile>
      <stopTimeout>5000</stopTimeout>
      <stopParentFirst>false</stopParentFirst>
    </extension>
  </extensions>

  <!-- See referenced examples for more options -->
</service>

        1. hs_err_pid13852.log
          32 kB
        2. remoting.log.1
          1 kB
        3. remoting.log.2
          13 kB
        4. replay_pid13852.log
          219 kB

            Assignee:
            Unassigned
            Reporter:
            Ilguiz Latypov
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: