Don't forget to use the endorsed mechanism for jaxb-api.jar, jbossws-native-*.jar View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4188438#4188438 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4188438