Hello,
I would like to know if the ssh-slave plugin is supposed to work to run the
slave agent on a Windows 10 node with Open SSH (Microsoft port)?
I tried but I got some issues:
1/ the plugin assumes a command named *true* exists for the shell being
executed (ok for bash but not for cmd, the shell being launched on
Windows). A workaround is to create a true.bat file having the expected
behaviour, e.g. @%COMSPEC% /C exit 1 >nul
2/ the plugin then tries to run the java command to determine Java version
but, even if the java executable is in the Windows PATH, the plugin does
not find it. Same workaround here: create a java.bat file that runs jave
with an absolute path.
3/ The last problem I’m not able to solve is an exception during the launch
of the slave agent (stacktrace below):
java.io.IOException: Unexpected termination of the channel
Any idea of what could be wrong?
Best regards,
Christophe.
StackTrace:
[09/25/18 20:45:55] [SSH] Checking java version of java
[09/25/18 20:45:56] [SSH] java -version returned 1.8.0_181.
[09/25/18 20:45:56] [SSH] Starting sftp client.
[09/25/18 20:45:56] [SSH] Copying latest slave.jar...
[09/25/18 20:45:56] [SSH] Copied 745,674 bytes.
Expanded the channel window size to 4MB
[09/25/18 20:45:56] [SSH] Starting slave process: cd "c:\builds" && java -jar
slave.jar
<===[JENKINS REMOTING CAPACITY]===>
ci@DESKTOP-IG838MJ c:\builds>"C:\Program Files (x86)\Common
Files\Oracle\Java\javapath\java.exe" -jar slave.jar
<===[JENKINS REMOTING CAPACITY]===>ERROR: Connection terminated
ERROR: Unexpected error in launching a slave. This is probably a bug in Jenkins.
hudson.remoting.RequestAbortedException: java.io.IOException: Unexpected
termination of the channel
at hudson.remoting.Request.abort(Request.java:329)
at hudson.remoting.Channel.terminate(Channel.java:992)
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:96)
Suppressed: hudson.remoting.Channel$CallSiteStackTrace: Remote call to
win10
at
hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1693)
at hudson.remoting.Request.call(Request.java:192)
at hudson.remoting.Channel.call(Channel.java:907)
at
hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:546)
at
hudson.slaves.SlaveComputer.setChannel(SlaveComputer.java:413)
at
hudson.plugins.sshslaves.SSHLauncher.startSlave(SSHLauncher.java:1110)
at
hudson.plugins.sshslaves.SSHLauncher.access$500(SSHLauncher.java:148)
at
hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:845)
at
hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:820)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Unexpected termination of the channel
java.io.EOFException
at
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2675)
at
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3150)
at
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:859)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:355)
at
hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:48)
at
hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:35)
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:63)
Caused: java.io.IOException: Unexpected termination of the channel
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:77)
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:77)
Caused by: java.io.EOFException
at
java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2675)
at
java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3150)
at
java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:859)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:355)
at
hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:48)
at
hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:35)
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:63)
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