Also check you're not including messaging-client.jar or any other messaging or remoting jars in your ear. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4060176#4060176 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4060176