java.io.IOException: Unexpected termination of the channel

Jenkins JIRA | Sorin Sbarnea | 3 years ago
  1. 0

    Suddenly Jenkins and ssh-slaves stopped working completly. Log shows only {code} Jul 11, 2013 10:16:13 AM hudson.remoting.SynchronousCommandTransport$ReaderThread run SEVERE: I/O error in channel pikachu java.io.IOException: Unexpected termination of the channel at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50) Caused by: java.io.EOFException at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2596) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1316) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at hudson.remoting.Command.readFrom(Command.java:92) at hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:72) at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48) {code} I checked and ssh connection works between master and slave, here is the proof, the auth.log from the slave: {code} Jul 11 10:16:45 sorins sshd[29280]: reverse mapping checking getaddrinfo for dote-02.80.10.in-addr.arpa [10.80.225.152] failed - POSSIBLE BREAK-IN ATTEMPT! Jul 11 10:16:45 sorins sshd[29280]: Accepted publickey for xenbuild from 10.80.225.152 port 42968 ssh2 Jul 11 10:16:45 sorins sshd[29280]: pam_unix(sshd:session): session opened for user xenbuild by (uid=0) Jul 11 10:17:01 sorins CRON[29460]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 11 10:17:02 sorins CRON[29460]: pam_unix(cron:session): session closed for user root Jul 11 10:18:27 sorins sshd[29426]: Received disconnect from 10.80.225.152: 11: disconnected by user Jul 11 10:18:27 sorins sshd[29280]: pam_unix(sshd:session): session closed for user xenbuild {code}

    Jenkins JIRA | 3 years ago | Sorin Sbarnea
    java.io.IOException: Unexpected termination of the channel
  2. 0

    Suddenly Jenkins and ssh-slaves stopped working completly. Log shows only {code} Jul 11, 2013 10:16:13 AM hudson.remoting.SynchronousCommandTransport$ReaderThread run SEVERE: I/O error in channel pikachu java.io.IOException: Unexpected termination of the channel at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50) Caused by: java.io.EOFException at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2596) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1316) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:370) at hudson.remoting.Command.readFrom(Command.java:92) at hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:72) at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48) {code} I checked and ssh connection works between master and slave, here is the proof, the auth.log from the slave: {code} Jul 11 10:16:45 sorins sshd[29280]: reverse mapping checking getaddrinfo for dote-02.80.10.in-addr.arpa [10.80.225.152] failed - POSSIBLE BREAK-IN ATTEMPT! Jul 11 10:16:45 sorins sshd[29280]: Accepted publickey for xenbuild from 10.80.225.152 port 42968 ssh2 Jul 11 10:16:45 sorins sshd[29280]: pam_unix(sshd:session): session opened for user xenbuild by (uid=0) Jul 11 10:17:01 sorins CRON[29460]: pam_unix(cron:session): session opened for user root by (uid=0) Jul 11 10:17:02 sorins CRON[29460]: pam_unix(cron:session): session closed for user root Jul 11 10:18:27 sorins sshd[29426]: Received disconnect from 10.80.225.152: 11: disconnected by user Jul 11 10:18:27 sorins sshd[29280]: pam_unix(sshd:session): session closed for user xenbuild {code}

    Jenkins JIRA | 3 years ago | Sorin Sbarnea
    java.io.IOException: Unexpected termination of the channel
  3. 0

    [JENKINS-6817] FATAL: hudson.remoting.RequestAbortedException: java.io.IOException: Unexpected termination of the channel - Jenkins JIRA

    jenkins-ci.org | 11 months ago
    hudson.remoting.RequestAbortedException: hudson.remoting.RequestAbortedException: java.io.IOException: Unexpected termination of the channel
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  5. 0

    Jenkins slave terminated error message

    Google Groups | 3 years ago | Lily Fu
    java.io.IOException: Unexpected termination of the channel
  6. 0

    Unable to startup slave post master upgrade to 1.576

    Google Groups | 2 years ago | Sudhakar.Shanmugam
    java.io.IOException: Unexpected termination of the channel

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Root Cause Analysis

  1. java.io.EOFException

    No message provided

    at java.io.ObjectInputStream$BlockDataInputStream.peekByte()
  2. Java RT
    ObjectInputStream.readObject
    1. java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2596)
    2. java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1316)
    3. java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
    3 frames
  3. Hudson :: Remoting Layer
    SynchronousCommandTransport$ReaderThread.run
    1. hudson.remoting.Command.readFrom(Command.java:92)
    2. hudson.remoting.ClassicCommandTransport.read(ClassicCommandTransport.java:72)
    3. hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
    3 frames