"thomas.diesler(a)jboss.com" wrote : You have the SUN jaxrpc impl on your classpath. Make sure javax.xml.soap.SOAPMessage is pulled from jboss-jaxrpc.jar I have this exact problem and it ocurred when I moved to JDK 1.6. How do I tell JBoss to use jboxx-jaxrpc.jar instead of the Sun jaxrpc-impl? Thanks. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4032088#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...