[JENKINS-59263] Unable to launch a slave

[jenkins-infra-bot]

[09/06/19 13:21:34] [SSH] Starting slave process: cd "/home/ubuntu/jenkins_ha1" && java -jar slave.jar
<===[JENKINS REMOTING CAPACITY]===>channel started
Remoting version: 3.29
This is a Unix agent
Evacuated stdout
Slave JVM has not reported exit code. Is it still running?
[09/06/19 13:21:39] Launch failed - cleaning up connection
[09/06/19 13:21:39] [SSH] Connection closed.
ERROR: Connection terminated
java.io.EOFException
at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2681)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3156)
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:862)
at java.io.ObjectInputStream.(ObjectInputStream.java:358)
at hudson.remoting.ObjectInputStreamEx.(ObjectInputStreamEx.java:49)
at hudson.remoting.Command.readFrom(Command.java:140)
at hudson.remoting.Command.readFrom(Command.java:126)
at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:36)
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)

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Originally reported by blr268, imported from: Unable to launch a slave

• assignee: peppe
• status: Open
• priority: Major
• component(s): slave-setup-plugin
• resolution: Unresolved
• votes: 0
• watchers: 1
• imported: 20251216-225446

Raw content of original issue

[09/06/19 13:21:34] [SSH] Starting slave process: cd "/home/ubuntu/jenkins_ha1" && java -jar slave.jar
<===[JENKINS REMOTING CAPACITY]===>channel started
Remoting version: 3.29
This is a Unix agent
Evacuated stdout
Slave JVM has not reported exit code. Is it still running?
[09/06/19 13:21:39] Launch failed - cleaning up connection
[09/06/19 13:21:39] [SSH] Connection closed.
ERROR: Connection terminated
java.io.EOFException
 at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2681)
 at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:3156)
 at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:862)
 at java.io.ObjectInputStream.<init>(ObjectInputStream.java:358)
 at hudson.remoting.ObjectInputStreamEx.<init>(ObjectInputStreamEx.java:49)
 at hudson.remoting.Command.readFrom(Command.java:140)
 at hudson.remoting.Command.readFrom(Command.java:126)
 at hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:36)
 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)