unable to connect to slave on Ubuntu 12.03 desktop

[Ginga, Dick]

I have a windows Jenkins server and a week or so ago I succeeded in connecting an Ubuntu 14.04 Server slave without any problem. Now I am trying to connect a 12.04 desktop and I get below. I keep thinking I am forgetting some stpe I did but its not coming to me. Please help.

 

[04/07/15 16:47:35] [SSH] Opening SSH connection to 165.88.210.99:22.

Connection refused: connect

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.TrileadSSHPasswordAuthenticator.canAuthenticate(TrileadSSHPasswordAuthenticator.java:82)

        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:1230)

        at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:696)

        at hudson.plugins.sshslaves.SSHLauncher$2.call(SSHLauncher.java:691)

        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)

        at java.util.concurrent.FutureTask.run(Unknown Source)

        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)

        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)

        at java.lang.Thread.run(Unknown Source)

[04/07/15 16:47:36] Launch failed - cleaning up connection

[04/07/15 16:47:36] [SSH] Connection closed.

 

 

Dick Ginga, Informatics R&D

PerkinElmer Inc. | For the Better
HUMAN HEALTH | ENVIRONMENTAL HEALTH
940 Winter Street, Waltham MA 02451

 

dick.ginga@perkinelmer.com  

Mobile – 508-847-1434

Office – 781-663-6947

 

[Marius Gedminas]

On Tue, Apr 07, 2015 at 09:00:05PM +0000, Ginga, Dick wrote:
> I have a windows Jenkins server and a week or so ago I succeeded in
> connecting an Ubuntu 14.04 Server slave without any problem. Now I am
> trying to connect a 12.04 desktop and I get below. I keep thinking I
> am forgetting some stpe I did but its not coming to me. Please help.
>
>
> [04/07/15 16:47:35] [SSH] Opening SSH connection to 165.88.210.99:22.
>
> Connection refused: connect

Do you have the openssh-server package installed on your Ubuntu 12.04
desktop you're connecting to?

Marius Gedminas
--
When in danger, or in doubt, run in circles, scream and shout.
-- Robert A. Heinlein

[Ginga, Dick]

That was the step I forgot! Thanks. I had run ssh-agent -s but that was not right. Thanks again

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