[JENKINS-59263] Unable to launch a slave

[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)

---
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
  

[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)