Do you have a standard-jaxws-endpoint-config.xml file specifying Seam's SoapRequestHandler class? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4107319#4107319 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4107319