[JENKINS-30561] Unable to launch agent using SSH

Type: Bug
Resolution: Fixed
Priority: Blocker
Component/s: ssh-slaves-plugin
Labels:
- agents
- jenkins
- plugin
- ssh
Environment:
Jenkins ver. 1.630
SSH Slaves plugin 1.9

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

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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)

Japan Shah created issue - 2015-09-21 07:48

R. Tyler Croy made changes - 2016-07-25 23:51

Workflow

Original: JNJira [ 165673 ]

New: JNJira + In-Review [ 182081 ]

Baptiste Mathus made changes - 2017-04-12 20:32

Assignee

Original: Kohsuke Kawaguchi [ kohsuke ]

Alex Earl made changes - 2017-05-07 14:53

Description	Original: Unable to launch any slave 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]===> {code:java} 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) {code}	New: 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]===> {code:java} 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) {code}
Labels	Original: jenkins plugin slave ssh	New: agents jenkins plugin ssh
Summary	Original: Unable to launch slave using SSH	New: Unable to launch agent using SSH

Ivan Fernandez Calvo made changes - 2018-07-20 19:27

Assignee

New: Ivan Fernandez Calvo [ ifernandezcalvo ]

Ivan Fernandez Calvo made changes - 2018-07-20 19:27

Resolution		New: Fixed [ 1 ]
Status	Original: Open [ 1 ]	New: Closed [ 6 ]

Assignee:: Ivan Fernandez Calvo

Reporter:: Japan Shah

Votes:: 2 Vote for this issue

Watchers:: 12 Start watching this issue

Created:: 2015-09-21 07:48

Updated:: 2019-04-02 10:02

Resolved:: 2018-07-20 19:27

Jenkins

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