Migration code should have picked that up... Any chance you have a copy of
your config.xml from before upgrade? (If you do, send me an email privately
and I will give you instructions on how to sanitize the passwords before
sharing the file with me in such a way that I can reproduce your issue)

On Tuesday, 29 October 2013, Zetan Drableg wrote:

> I had to go through each node configuration.
>  The management of credentials seems to have changed (for the better) but
> I had to re-select creds for each node after upgrade.
> 169 slaves later..... :(
>
>
> On Monday, October 28, 2013 4:50:46 PM UTC-7, Zetan Drableg wrote:
>
> Hi, Just upgraded Jenkins to pickup some bug fixes (disappearing job log).
> Rekey process is running in the background. Is it not done yet and causing 
> this?
>
> Every single slave failed to launch with this error:
>
> [10/28/13 16:47:39] [SSH] Opening SSH connection to 
> batvm06.perf.lab.tripwire.com:**22 <http://batvm06.perf.lab.tripwire.com:22>.
> ERROR: Unexpected error in launching a slave. This is probably a bug in 
> Jenkins.java.lang.NullPointerException 
> <http://stacktrace.jenkins-ci.org/search?query=java.lang.NullPointerException>
>  at 
> hudson.plugins.sshslaves.**SSHLauncher.pemKeyEquals(**SSHLauncher.java:471) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.pemKeyEquals&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher.access$000(**SSHLauncher.java:120) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.access$000&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher$1.matches(**SSHLauncher.java:449) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher$1.matches&entity=method>
>       at 
> com.cloudbees.plugins.**credentials.matchers.**AllOfMatcher.matches(**AllOfMatcher.java:63)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=com.cloudbees.plugins.credentials.matchers.AllOfMatcher.matches&entity=method>
>       at 
> com.cloudbees.plugins.**credentials.**CredentialsMatchers.**firstOrDefault(**CredentialsMatchers.java:356)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=com.cloudbees.plugins.credentials.CredentialsMatchers.firstOrDefault&entity=method>
>       at 
> com.cloudbees.plugins.**credentials.**CredentialsMatchers.**firstOrNull(**CredentialsMatchers.java:374)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=com.cloudbees.plugins.credentials.CredentialsMatchers.firstOrNull&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher.**retrieveExistingCredentials(**SSHLauncher.java:436)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.retrieveExistingCredentials&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher.upgrade(**SSHLauncher.java:404) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.upgrade&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher.getCredentials(**SSHLauncher.java:389) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.getCredentials&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher.openConnection(**SSHLauncher.java:1044)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.openConnection&entity=method>
>       at 
> hudson.plugins.sshslaves.**SSHLauncher.launch(**SSHLauncher.java:588) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.launch&entity=method>
>       at hudson.slaves.SlaveComputer$1.**call(SlaveComputer.java:230) 
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.slaves.SlaveComputer$1.call&entity=method>
>       at 
> java.util.concurrent.**FutureTask$Sync.innerRun(**FutureTask.java:303) 
> <http://stacktrace.jenkins-ci.org/search/?query=java.util.concurrent.FutureTask$Sync.innerRun&entity=method>
>       at java.util.concurrent.**FutureTask.run(FutureTask.**java:138) 
> <http://stacktrace.jenkins-ci.org/search/?query=java.util.concurrent.FutureTask.run&entity=method>
>       at 
> java.util.concurrent.**ThreadPoolExecutor$Worker.**runTask(ThreadPoolExecutor.**java:886)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=java.util.concurrent.ThreadPoolExecutor$Worker.runTask&entity=method>
>       at 
> java.util.concurrent.**ThreadPoolExecutor$Worker.run(**ThreadPoolExecutor.java:908)
>  
> <http://stacktrace.jenkins-ci.org/search/?query=java.util.concurrent.ThreadPoolExecutor$Worker.run&entity=method>
>       at java.lang.Thread.run(Thread.**java:662) 
> <http://stacktrace.jenkins-ci.org/search/?query=java.lang.Thread.run&entity=method>
> [10/28/13 16:47:39] [SSH] Connection closed.
>
>
> <http://stacktrace.jenkins-ci.org/search/?query=hudson.plugins.sshslaves.SSHLauncher.pemKeyEquals&entity=method>
>
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