Have you checked whether the "mustUnderstand" header is set in your SOAP messages? Just a thought... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4172278#4172278 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4172278