Since I did not get reply and I had to work on the problem, we figured out what is JBoss requirement to fix the problem @javax.jws.WebService(endpointInterface="org.example.duke.AddNumbersPortType", targetNamespace = "http://duke.example.org", portName="AddNumbersPort") It seems targetNamespace is required in the implementation class. This is not documented anywhere in the wsconsume wiki. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4176291#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...