Hi Oskar! What are the jar files of that classes and what are the packages? What do I obtain with that classes? Thanks, bye bye. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4097895#4097895 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4097895