I have this prolem too, what wrong with jboss, my version is v4.0.5 and v4.2.0, i tried at jdk 1.6 and 1.5 enviroments. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4095973#4095973 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4095973