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  1. Jenkins
  2. JENKINS-30561

Unable to launch agent using SSH

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Blocker Blocker
    • ssh-slaves-plugin
    • Jenkins ver. 1.630
         SSH Slaves plugin 1.9

      Also tried with latest version of SSH Slaves plugin 1.10 (not working)

      Unable to launch any agent machines using SSH

      [09/21/15 13:34:40] [SSH] Checking java version of java
      [09/21/15 13:34:41] [SSH] java -version returned 1.6.0_22.
      [09/21/15 13:34:41] [SSH] Starting sftp client.
      [09/21/15 13:34:42] [SSH] Copying latest slave.jar...
      [09/21/15 13:34:52] [SSH] Copied 489,023 bytes.
      Expanded the channel window size to 4MB
      [09/21/15 13:34:52] [SSH] Starting slave process: cd "/home/sdmagg" && java -jar slave.jar
      <===[JENKINS REMOTING CAPACITY]===>

      hudson.util.IOException2: Slave JVM has not reported exit code. Is it still running?
	at hudson.plugins.sshslaves.SSHLauncher.startSlave(SSHLauncher.java:953)
	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$2.call(SSHLauncher.java:696)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: java.io.IOException: Remote call on sdapdevjsctrl failed
	at hudson.remoting.Channel.call(Channel.java:786)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:493)
	at hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:366)
	at hudson.plugins.sshslaves.SSHLauncher.startSlave(SSHLauncher.java:945)
	... 8 more
Caused by: java.lang.ClassFormatError: Failed to load hudson.slaves.SlaveComputer$SlaveVersion
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:340)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:251)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:113)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1592)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:185)
	at hudson.remoting.UserRequest.perform(UserRequest.java:99)
	at hudson.remoting.UserRequest.perform(UserRequest.java:49)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
	at ......remote call to sdapdevjsctrl(Native Method)
	at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1413)
	at hudson.remoting.UserResponse.retrieve(UserRequest.java:221)
	at hudson.remoting.Channel.call(Channel.java:778)
	... 11 more
Caused by: java.lang.UnsupportedClassVersionError: hudson/slaves/SlaveComputer$SlaveVersion : Unsupported major.minor version 51.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:480)
	at hudson.remoting.RemoteClassLoader.loadClassFile(RemoteClassLoader.java:338)
	at hudson.remoting.RemoteClassLoader.findClass(RemoteClassLoader.java:251)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
	at java.lang.Class.forName0(Native Method)
	at java.lang.Class.forName(Class.java:264)
	at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:113)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1592)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1513)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1749)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1346)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:368)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:185)
	at hudson.remoting.UserRequest.perform(UserRequest.java:99)
	at hudson.remoting.UserRequest.perform(UserRequest.java:49)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:679)
[09/21/15 13:34:57] Launch failed - cleaning up connection
ERROR: Connection terminated
[09/21/15 13:34:57] [SSH] Connection closed.
ha:AAAAWB+LCAAAAAAAAP9b85aBtbiIQSmjNKU4P08vOT+vOD8nVc8DzHWtSE4tKMnMz/PLL0ldFVf2c+b/lb5MDAwVRQxSaBqcITRIIQMEMIIUFgAAckCEiWAAAAA=java.io.IOException: Unexpected termination of the channel
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:50)
Caused by: java.io.EOFException
	at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2323)
	at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2792)
	at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:799)
	at java.io.ObjectInputStream.<init>(ObjectInputStream.java:299)
	at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:40)
	at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
	at hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)

            ifernandezcalvo Ivan Fernandez Calvo
            shahjapan Japan Shah
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              Created:
              Updated:
              Resolved: