I upgraded to the 1.526 build of Jenkins and the slave nodes won't start now. I am seeing the following errors:
[08/07/13 08:53:08] [SSH] Opening SSH connection to jenkins.nj3.picsorganizer.com:22.
ERROR: Unexpected error in launching a slave. This is probably a bug in Jenkins.
java.lang.NoSuchMethodError: com.cloudbees.jenkins.plugins.sshcredentials.SSHAuthenticator.newInstance(Ljava/lang/Object;Lcom/cloudbees/jenkins/plugins/sshcredentials/SSHUser;)Lcom/cloudbees/jenkins/plugins/sshcredentials/SSHAuthenticator;
at hudson.plugins.sshslaves.SSHLauncher.openConnection(SSHLauncher.java:949)
at hudson.plugins.sshslaves.SSHLauncher.launch(SSHLauncher.java:488)
at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:230)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
[08/07/13 08:53:09] [SSH] Connection closed.