Hi Florian Schmaus,
this is a followup ticket to
While I was trying to find out why my connection didn't work, I came across this issue.
When an XmppStringprepException occurs in JabberIMConnection(JabberPublisherDescriptor desc, AuthenticationHolder authentication), this exception is re-thrown as hudson.plugins.im.IMException.
But in JabberIMConnectionProvider.createConnection(), only RuntimeExceptions are getting caught.
So the log just tells me that the connection failed, but nut why it failed:
So IMHO here Exception should get caught here, not only RuntimeException.