Yes, jbossws-1.2.0 is supported on jboss-4.0.5 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4016641#4016641 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4016641