[JIRA] (JENKINS-59705) hudson.remoting.ChannelClosedException: Channel "unknown": Remote call on JNLP4-connect connection from IP/IP:58344 failed. The channel is closing down or has closed dow

[likeanyotheronlymor...@gmail.com (JIRA)]

Title: Message Title

Joe Roberts commented on JENKINS-59705   Re: hudson.remoting.ChannelClosedException: Channel "unknown": Remote call on JNLP4-connect connection from IP/IP:58344 failed. The channel is closing down or has closed dow I'm having the same random issue: Jenkins master version: 2.204.2 Kubernetes Plugin: 1.23.2 Pod Spec "name": "jnlp", "resources": { "limits": { "cpu": "800m", "memory": "1Gi" }, "requests": { "cpu": "800m", "memory": "1Gi" } }, Master 2020-02-03 16:41:28.091+0000 [id=8198] INFO j.s.DefaultJnlpSlaveReceiver#channelClosed: IOHub#1: Worker[channel:java.nio.channels.SocketChannel[connected local=/10.15.199.33:50000 remote=10.15.198.22/10.15.198.22:39686]] / Computer.threadPoolForRemoting [#2516] for default-jsnmd terminated: java.nio.channels.ClosedChannelException Slave INFO: ConnectedINFO: ConnectedFeb 03, 2020 1:49:45 PM org.eclipse.jgit.util.FS$FileStoreAttributes saveToConfigWARNING: locking FileBasedConfig[/home/jenkins/.config/jgit/config] failed after 5 retriesFeb 03, 2020 4:41:28 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: TerminatedFeb 03, 2020 4:41:28 PM hudson.Launcher$RemoteLaunchCallable$1 joinINFO: Failed to synchronize IO streams on the channel hudson.remoting.Channel@5e672cca:JNLP4-connect connection to jenkins-agent/10.15.54.222:50000hudson.remoting.ChannelClosedException: Channel "hudson.remoting.Channel@5e672cca:JNLP4-connect connection to jenkins-agent/10.15.54.222:50000": Remote call on JNLP4-connect connection to jenkins-agent/10.15.54.222:50000 failed. The channel is closing down or has closed down at hudson.remoting.Channel.call(Channel.java:948) at hudson.remoting.Channel.syncIO(Channel.java:1683) at hudson.Launcher$RemoteLaunchCallable$1.join(Launcher.java:1331) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:929) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:903) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:855) 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:97) at java.lang.Thread.run(Thread.java:748)Caused by: java.nio.channels.ClosedChannelException at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154) at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$1800(BIONetworkLayer.java:48) at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:264) ... 4 more Feb 03, 2020 4:41:28 PM hudson.remoting.UserRequest performWARNING: LinkageError while performing UserRequest:UserRPCRequest:hudson.Launcher$RemoteProcess.join[](39)java.lang.NoClassDefFoundError: hudson/util/ProcessTree at hudson.Proc$LocalProc.destroy(Proc.java:385) at hudson.Proc$LocalProc.join(Proc.java:358) at hudson.Launcher$RemoteLaunchCallable$1.join(Launcher.java:1324) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:929) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:903) at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:855) 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:97) at java.lang.Thread.run(Thread.java:748)Caused by: java.lang.ClassNotFoundException: hudson.util.ProcessTree at java.net.URLClassLoader.findClass(URLClassLoader.java:382) at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:171) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 19 more Feb 03, 2020 4:41:28 PM hudson.remoting.Request$2 runINFO: Failed to send back a reply to the request hudson.remoting.Request$2@731c1874: hudson.remoting.ChannelClosedException: Channel "hudson.remoting.Channel@5e672cca:JNLP4-connect connection to jenkins-agent/10.15.54.222:50000": channel is already closedFeb 03, 2020 4:41:38 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Performing onReconnect operation.Feb 03, 2020 4:41:38 PM jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$FindEffectiveRestarters$1 onReconnectINFO: Restarting agent via jenkins.slaves.restarter.UnixSlaveRestarter@460ff0bcFeb 03, 2020 4:41:39 PM hudson.remoting.jnlp.Main createEngineINFO: Setting up agent: default-jsnmdFeb 03, 2020 4:41:39 PM hudson.remoting.jnlp.Main$CuiListener <init>INFO: Jenkins agent is running in headless mode.Feb 03, 2020 4:41:40 PM hudson.remoting.Engine startEngineINFO: Using Remoting version: 3.35Feb 03, 2020 4:41:40 PM org.jenkinsci.remoting.engine.WorkDirManager initializeWorkDirINFO: Using /home/jenkins/agent/remoting as a remoting work directoryFeb 03, 2020 4:41:40 PM org.jenkinsci.remoting.engine.WorkDirManager setupLoggingINFO: Both error and output logs will be printed to /home/jenkins/agent/remotingFeb 03, 2020 4:41:40 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Locating server among [http://jenkins:8080]Feb 03, 2020 4:41:40 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolveINFO: Remoting server accepts the following protocols: [JNLP4-connect, Ping]Feb 03, 2020 4:41:40 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolveINFO: Remoting TCP connection tunneling is enabled. Skipping the TCP Agent Listener Port availability checkFeb 03, 2020 4:41:40 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Agent discovery successful  Agent address: jenkins-agent  Agent port:    50000  Identity:      88:82:81:a2:3b:c3:24:07:e6:1f:6a:e3:5b:27:e1:26Feb 03, 2020 4:41:40 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: HandshakingFeb 03, 2020 4:41:40 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Connecting to jenkins-agent:50000Feb 03, 2020 4:41:40 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Trying protocol: JNLP4-connectFeb 03, 2020 4:41:40 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Remote identity confirmed: 88:82:81:a2:3b:c3:24:07:e6:1f:6a:e3:5b:27:e1:26Feb 03, 2020 4:41:41 PM hudson.remoting.jnlp.Main$CuiListener statusINFO: Connected Add Comment   This message was sent by Atlassian Jira (v7.13.6#713006-sha1:cc4451f) -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-issues/JIRA.202406.1570547862000.158.1580750760368%40Atlassian.JIRA.