anonymous wrote : java.lang.IllegalStateException: Failed to find method for hash:-2 | 768991178878534186 These type of exceptions occur if you have different versions of JBoss jars on the server and the client. The client appears to be using a different version of some JBoss jar than the one that is on the JBoss server. Can you provide more details about your application, i mean the jars that you include at the client. Also, can you post the entire exception stacktrace? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4082840#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...