SSH slaves plugin and ipv6 node

[Oliver Gondža]

I have been utilizing a bunch of machines available over IPv6 only in
Jenkins using command launcher. I would like to simplify the setup a bit
delegating large part of the work to ssh-slaves(1.10) plugin but I hit
the problem with machines connected over IPv6:

```
[12/06/16 09:53:15] [SSH] Opening SSH connection to HOSTNAME:22.
HOSTNAME
ERROR: Unexpected error in launching a slave. This is probably a bug in
Jenkins.
java.lang.IllegalStateException: Connection is not established!
at
com.trilead.ssh2.Connection.getRemainingAuthMethods(Connection.java:1030)
at
com.cloudbees.jenkins.plugins.sshcredentials.impl.TrileadSSHPublicKeyAuthenticator.getRemainingAuthMethods(TrileadSSHPublicKeyAuthenticator.java:88)
at
com.cloudbees.jenkins.plugins.sshcredentials.impl.TrileadSSHPublicKeyAuthenticator.canAuthenticate(TrileadSSHPublicKeyAuthenticator.java:80)
at
com.cloudbees.jenkins.plugins.sshcredentials.SSHAuthenticator.newInstance(SSHAuthenticator.java:207)
at
com.cloudbees.jenkins.plugins.sshcredentials.SSHAuthenticator.newInstance(SSHAuthenticator.java:169)
at
hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:1212)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:711)
at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:706)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:662)
```

I am able to launch agent there using `ssh HOSTNAME bash -l
agent-launcher-script` so this is not general connectivity issue.

Does someone have similar experience? I suspect trilead ssh just does
not support it.

Thanks
--
oliver

[Arnaud Héritier]

Strange your error reminds me : https://issues.jenkins-ci.org/browse/JENKINS-33021

Which isn't supposed to be related to IPv4 vs IPv6

--
oliver

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Arnaud Héritier

http://aheritier.net

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