"thomas.diesler(a)jboss.com" wrote : Thats, because the jaxrpc API is part of the JDK. Make sure javax.xml.soap.SOAPMessage is pulled from jboss-jaxrpc.jar Actually javax.xml.soap.SOAPMessage is provided in jboss-saaj.jar. Nevertheless - issues remain the same with putting jboss-saaj to endorsed, since saaj references org.jboss.logging ... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4011996#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...