I have to apologize, I made a very stupid mistake... The reason that error message didn't come on search engines up is because... Its my own exception it ;). Turns out that the cluster I was connecting to had its IP address changed and that was causing the error -- not JBoss. I updated the IP and everything is great now. Sorry to waste your time, a mod should delete this if possible! I have to add though, JBoss 4.2.2 was a breeze to configure compared to 4.0.4... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4123930#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...