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Bug
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Resolution: Fixed
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Major
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None
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Jenkins 2.60.2
Kubernetes plugin 0.12
Kubernetes 1.7.2
We are dynamically creating and destroying build slaves and they have now started to exit in a Error state.
Although the build job completes successfully it seems that the slave tries to reconnect.
Log from slave:
Aug 01, 2017 1:37:46 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Terminated Aug 01, 2017 1:37:56 PM jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$2$1 onReconnect INFO: Restarting agent via jenkins.slaves.restarter.UnixSlaveRestarter@863f8a3 Aug 01, 2017 1:37:57 PM hudson.remoting.jnlp.Main createEngine INFO: Setting up slave: jenkins-build-slave-qvdpn Aug 01, 2017 1:37:57 PM hudson.remoting.jnlp.Main$CuiListener <init> INFO: Jenkins agent is running in headless mode. Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Locating server among [http://jenkins-service] Aug 01, 2017 1:37:58 PM org.jenkinsci.remoting.engine.JnlpAgentEndpointResolver resolve INFO: Remoting server accepts the following protocols: [JNLP4-connect, JNLP-connect, Ping, JNLP2-connect] Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Agent discovery successful Agent address: jenkins-service Agent port: 50000 Identity: 51:ac:fd:f7:69:94:53:62:f9:ac:43:6b:72:ff:e7:c2 Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Handshaking Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to jenkins-service:50000 Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Trying protocol: JNLP4-connect Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Remote identity confirmed: 51:ac:fd:f7:69:94:53:62:f9:ac:43:6b:72:ff:e7:c2 Aug 01, 2017 1:37:58 PM org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer onRecv INFO: [JNLP4-connect connection to jenkins-service/10.251.248.121:50000] Local headers refused by remote: Unknown client name: jenkins-build-slave-qvdpn Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Protocol JNLP4-connect encountered an unexpected exception java.util.concurrent.ExecutionException: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Unknown client name: jenkins-build-slave-qvdpn at org.jenkinsci.remoting.util.SettableFuture.get(SettableFuture.java:223) at hudson.remoting.Engine.innerRun(Engine.java:385) at hudson.remoting.Engine.run(Engine.java:287) Caused by: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Unknown client name: jenkins-build-slave-qvdpn at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.newAbortCause(ConnectionHeadersFilterLayer.java:375) at org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer.onRecvClosed(ConnectionHeadersFilterLayer.java:432) at org.jenkinsci.remoting.protocol.ProtocolStack$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:172) at org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:832) at org.jenkinsci.remoting.protocol.NetworkLayer.onRecvClosed(NetworkLayer.java:154) at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer.access$1500(BIONetworkLayer.java:48) at org.jenkinsci.remoting.protocol.impl.BIONetworkLayer$Reader.run(BIONetworkLayer.java:247) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at hudson.remoting.Engine$1$1.run(Engine.java:94) at java.lang.Thread.run(Thread.java:748) Suppressed: java.nio.channels.ClosedChannelException ... 7 more Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to jenkins-service:50000 Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Server reports protocol JNLP4-plaintext not supported, skipping Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Protocol JNLP3-connect is not enabled, skipping Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Trying protocol: JNLP2-connect Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Protocol JNLP2-connect encountered an unexpected exception java.util.concurrent.ExecutionException: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Server didn't accept the handshake: at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at hudson.remoting.Engine.innerRun(Engine.java:385) at hudson.remoting.Engine.run(Engine.java:287) Caused by: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Server didn't accept the handshake: at org.jenkinsci.remoting.engine.JnlpProtocol2Handler.sendHandshake(JnlpProtocol2Handler.java:134) at org.jenkinsci.remoting.engine.LegacyJnlpProtocolHandler$2.call(LegacyJnlpProtocolHandler.java:162) at org.jenkinsci.remoting.engine.LegacyJnlpProtocolHandler$2.call(LegacyJnlpProtocolHandler.java:158) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at hudson.remoting.Engine$1$1.run(Engine.java:94) at java.lang.Thread.run(Thread.java:748) Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Connecting to jenkins-service:50000 Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Trying protocol: JNLP-connect Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener status INFO: Protocol JNLP-connect encountered an unexpected exception java.util.concurrent.ExecutionException: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Server didn't accept the handshake: at java.util.concurrent.FutureTask.report(FutureTask.java:122) at java.util.concurrent.FutureTask.get(FutureTask.java:192) at hudson.remoting.Engine.innerRun(Engine.java:385) at hudson.remoting.Engine.run(Engine.java:287) Caused by: org.jenkinsci.remoting.protocol.impl.ConnectionRefusalException: Server didn't accept the handshake: at org.jenkinsci.remoting.engine.JnlpProtocol1Handler.sendHandshake(JnlpProtocol1Handler.java:121) at org.jenkinsci.remoting.engine.LegacyJnlpProtocolHandler$2.call(LegacyJnlpProtocolHandler.java:162) at org.jenkinsci.remoting.engine.LegacyJnlpProtocolHandler$2.call(LegacyJnlpProtocolHandler.java:158) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at hudson.remoting.Engine$1$1.run(Engine.java:94) at java.lang.Thread.run(Thread.java:748) Aug 01, 2017 1:37:58 PM hudson.remoting.jnlp.Main$CuiListener error SEVERE: The server rejected the connection: None of the protocols were accepted java.lang.Exception: The server rejected the connection: None of the protocols were accepted at hudson.remoting.Engine.onConnectionRejected(Engine.java:484) at hudson.remoting.Engine.innerRun(Engine.java:448) at hudson.remoting.Engine.run(Engine.java:287)
Log from master:
Aug 01, 2017 3:37:46 PM INFO org.csanchez.jenkins.plugins.kubernetes.KubernetesSlave _terminate Terminating Kubernetes instance for slave jenkins-build-slave-qvdpn Aug 01, 2017 3:37:46 PM INFO org.csanchez.jenkins.plugins.kubernetes.KubernetesSlave _terminate Terminated Kubernetes instance for slave jenkins-build-slave-qvdpn Aug 01, 2017 3:37:46 PM INFO org.csanchez.jenkins.plugins.kubernetes.KubernetesSlave _terminate Disconnected computer jenkins-build-slave-qvdpn Aug 01, 2017 3:37:46 PM WARNING jenkins.slaves.DefaultJnlpSlaveReceiver channelClosed Computer.threadPoolForRemoting [#324] for jenkins-build-slave-qvdpn terminated 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:1295) at hudson.remoting.Channel.close(Channel.java:1263) at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:708) at hudson.slaves.SlaveComputer.access$800(SlaveComputer.java:96) at hudson.slaves.SlaveComputer$3.run(SlaveComputer.java:626) at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28) at java.util.concurrent.Executors$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$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:748) Aug 01, 2017 3:37:46 PM INFO org.jenkinsci.plugins.workflow.job.WorkflowRun finish api-gateway #269 completed: SUCCESS Aug 01, 2017 3:37:58 PM INFO hudson.TcpSlaveAgentListener$ConnectionHandler run Accepted JNLP4-connect connection #145 from 10.248.2.34/10.248.2.34:34644 Aug 01, 2017 3:37:58 PM INFO org.jenkinsci.remoting.protocol.impl.ConnectionHeadersFilterLayer onRecv [JNLP4-connect connection from 10.248.2.34/10.248.2.34:34644] Refusing headers from remote: Unknown client name: jenkins-build-slave-qvdpn Aug 01, 2017 3:37:58 PM INFO hudson.TcpSlaveAgentListener$ConnectionHandler run Accepted JNLP2-connect connection #146 from /10.248.2.34:34646 Aug 01, 2017 3:37:58 PM INFO hudson.TcpSlaveAgentListener$ConnectionHandler run Accepted JNLP-connect connection #147 from /10.248.2.34:34648
From kubectl describe
State: Terminated Reason: Error Exit Code: 255
- is duplicated by
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JENKINS-46363 Slave pod using global pod definition end up with error state
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- Closed
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JENKINS-46504 Kubernetes plugin requires ClusterRoles
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- Closed
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"then the pod terminates, then waits around" is the pod terminating in kubernetes? because if it is how can it wait around?