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  1. Jenkins
  2. JENKINS-30869

After upgrade from 1.574 to 1.609.3, cannot connect to Linux slave

    Details

    • Type: Bug
    • Status: Resolved (View Workflow)
    • Priority: Major
    • Resolution: Cannot Reproduce
    • Component/s: remoting
    • Environment:
      Host: Ubuntu 12.04 x64 Server
      Slave: Linux freescale 2.6.31 armv5tejl
    • Similar Issues:

      Description

      Sometimes I see this error:

      [10/09/15 14:38:27] [SSH] Opening SSH connection to 10.6.5.9:22.
      [10/09/15 14:38:28] [SSH] Authentication successful.
      [10/09/15 14:38:28] [SSH] The remote users environment is:
      HOME='/home/myaccount'
      IFS='
      '
      LOGNAME='myaccount'
      OPTIND='1'
      PATH='/usr/bin:/bin'
      PPID='9230'
      PS1='\w \$ '
      PS2='> '
      PS4='+ '
      PWD='/home/myaccount'
      SHELL='/bin/sh'
      USER='myaccount'
      [10/09/15 14:38:28] [SSH] Starting sftp client.
      [10/09/15 14:38:28] [SSH] SFTP failed. Copying via SCP.
      [10/09/15 14:38:28] [SSH] Copying latest slave.jar...
      Expanded the channel window size to 4MB
      [10/09/15 14:38:28] [SSH] Starting slave process: cd "/home/myaccount" && /opt/jre/bin/java -jar slave.jar
      <===[JENKINS REMOTING CAPACITY]===>channel started
      Slave.jar version: 2.52
      This is a Unix slave
      Segmentation fault
      ERROR: Connection terminated
      java.io.IOException: Unexpected EOF
      at hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:99)
      at hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:39)
      at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
      at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
      ERROR: Failed to install restarter
      hudson.remoting.ChannelClosedException: channel is already closed
      at hudson.remoting.Channel.send(Channel.java:575)
      at hudson.remoting.Request.call(Request.java:130)
      at hudson.remoting.Channel.call(Channel.java:777)
      at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller.install(JnlpSlaveRestarterInstaller.java:52)
      at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller.access$000(JnlpSlaveRestarterInstaller.java:33)
      at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$1.call(JnlpSlaveRestarterInstaller.java:39)
      at jenkins.slaves.restarter.JnlpSlaveRestarterInstaller$1.call(JnlpSlaveRestarterInstaller.java:36)
      at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
      at java.util.concurrent.FutureTask.run(FutureTask.java:262)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:744)
      Caused by: java.io.IOException: Unexpected EOF
      at hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:99)
      at hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:39)
      at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
      at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
      Slave successfully connected and online
      ERROR: Failed to update jenkins-slave.exe
      Slave JVM has terminated. Exit code=139
      java.io.IOException: remote file operation failed: /home/myaccount/jenkins-slave.exe at hudson.remoting.Channel@3902ea91:Freescale-5.9: hudson.remoting.ChannelClosedException: channel is already closed
      at hudson.FilePath.act(FilePath.java:985)
      at hudson.FilePath.act(FilePath.java:967)
      at hudson.FilePath.exists(FilePath.java:1435)
      at org.jenkinsci.modules.windows_slave_installer.SlaveExeUpdater$1.call(SlaveExeUpdater.java:46)
      at org.jenkinsci.modules.windows_slave_installer.SlaveExeUpdater$1.call(SlaveExeUpdater.java:37)
      at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
      at java.util.concurrent.FutureTask.run(FutureTask.java:262)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:744)
      Caused by: hudson.remoting.ChannelClosedException: channel is already closed
      at hudson.remoting.Channel.send(Channel.java:575)
      at hudson.remoting.Request.call(Request.java:130)
      at hudson.remoting.Channel.call(Channel.java:777)
      at hudson.FilePath.act(FilePath.java:978)
      ... 9 more
      Caused by: java.io.IOException: Unexpected EOF
      at hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:99)
      at hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:39)
      at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
      at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
      [10/09/15 14:39:03] [SSH] Connection closed.

      Sometimes I see this, though:

      [10/09/15 14:45:28] [SSH] Starting sftp client.
      [10/09/15 14:45:28] [SSH] SFTP failed. Copying via SCP.
      [10/09/15 14:45:28] [SSH] Copying latest slave.jar...
      Expanded the channel window size to 4MB
      [10/09/15 14:45:28] [SSH] Starting slave process: cd "/home/myaccount" && /opt/jre/bin/java -jar slave.jar
      <===[JENKINS REMOTING CAPACITY]===>channel started
      Slave.jar version: 2.52
      This is a Unix slave
      Segmentation fault
      ERROR: Connection terminated
      java.io.IOException: Unexpected EOF
      at hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:99)
      at hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:39)
      at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
      at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
      ERROR: Unexpected error in launching a slave. This is probably a bug in Jenkins.
      java.lang.NullPointerException
      at org.jenkinsci.modules.systemd_slave_installer.SlaveInstallerFactoryImpl.createIfApplicable(SlaveInstallerFactoryImpl.java:33)
      at org.jenkinsci.modules.slave_installer.SlaveInstallerFactory.createIfApplicable(SlaveInstallerFactory.java:29)
      at org.jenkinsci.modules.slave_installer.SlaveInstallerFactory.createFor(SlaveInstallerFactory.java:46)
      at org.jenkinsci.modules.slave_installer.impl.ComputerListenerImpl.onOnline(ComputerListenerImpl.java:30)
      at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:563)
      at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:371)
      at hudson.plugins.sshslaves.SSHLauncher.startSlave(SSHLauncher.java:945)
      at hudson.plugins.sshslaves.SSHLauncher.access$400(SSHLauncher.java:133)
      at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:711)
      at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:696)
      at java.util.concurrent.FutureTask.run(FutureTask.java:262)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      at java.lang.Thread.run(Thread.java:744)
      [10/09/15 14:46:04] Launch failed - cleaning up connection
      [10/09/15 14:46:04] [SSH] Connection closed.

      Before I updated to 1.609.3, it worked without issue.

      Java is: java version 1.7.0_60
      Java SE Embedded Runtime Environment (build 1.7.0_60-b19, headless)

        Attachments

          Activity

          kerrhome Shannon Kerr created issue -
          danielbeck Daniel Beck made changes -
          Field Original Value New Value
          Component/s remoting [ 15489 ]
          Component/s core [ 15593 ]
          danielbeck Daniel Beck made changes -
          Status Open [ 1 ] Resolved [ 5 ]
          Resolution Cannot Reproduce [ 5 ]
          rtyler R. Tyler Croy made changes -
          Workflow JNJira [ 165996 ] JNJira + In-Review [ 197869 ]

            People

            • Assignee:
              Unassigned
              Reporter:
              kerrhome Shannon Kerr
            • Votes:
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              Watchers:
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              Dates

              • Created:
                Updated:
                Resolved: