Where are you getting this error? At the client(Jboss4.x) or on the server(Jboss3.x)? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4083923#4083923 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4083923