Hello World,
Our setup:
* Jenkins 2.32.2 on Debian Linux
libvirt Plugin for Jenkins
* 8 VMs on the same server, running Windows 7, building our software
KVM/QEMU VMs, using libvirt
* 4 Ubuntu machines containing 2 VMs each (=8) running Windows 10,
testing our software
KVM/QEMU VMs, using libvirt
We've experienced more and more connection problems lately, all having
the same exception:
FATAL: Befehlsausführung fehlgeschlagen
java.io.IOException: Backing channel 'JNLP4-connect connection from
build-vm1/192.168.168.160:1033' is disconnected.
at
hudson.remoting.RemoteInvocationHandler.channelOrFail(RemoteInvocationHandler.java:191)
at
hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:256)
at com.sun.proxy.$Proxy60.isAlive(Unknown Source)
at hudson.Launcher$RemoteLauncher$ProcImpl.isAlive(Launcher.java:1043)
at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:1035)
at hudson.tasks.CommandInterpreter.join(CommandInterpreter.java:154)
at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:108)
at hudson.tasks.CommandInterpreter.perform(CommandInterpreter.java:65)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at
hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:779)
at hudson.model.Build$BuildExecution.build(Build.java:205)
at hudson.model.Build$BuildExecution.doRun(Build.java:162)
at
hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:534)
at hudson.model.Run.execute(Run.java:1728)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:404)
Caused by: java.nio.channels.ClosedChannelException
at
org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:208)
at
org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:222)
at
org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:832)
at
org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287)
at
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:181)
at
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.switchToNoSecure(SSLEngineFilterLayer.java:283)
at
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processWrite(SSLEngineFilterLayer.java:503)
at
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processQueuedWrites(SSLEngineFilterLayer.java:248)
at
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doSend(SSLEngineFilterLayer.java:200)
at
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doCloseSend(SSLEngineFilterLayer.java:213)
at
org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.doCloseSend(ProtocolStack.java:800)
at
org.jenkinsci.remoting.protocol.ApplicationLayer.doCloseWrite(ApplicationLayer.java:173)
at
org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer$ByteBufferCommandTransport.closeWrite(ChannelApplicationLayer.java:311)
at hudson.remoting.Channel.close(Channel.java:1287)
at hudson.slaves.ChannelPinger$1.onDead(ChannelPinger.java:115)
at hudson.remoting.PingThread.ping(PingThread.java:130)
at hudson.remoting.PingThread.run(PingThread.java:86)
These appear randomly on all nodes; we've found no pattern and no way to
reproduce them. There are also no more information in the logs.
Has anyone seen the same problems? Any hints what I should check?
TIA and best regards
Andreas
--
Andreas Tscharner <sternenfe...@gmail.com>
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