Hi, I've seen the same problem, too! In this case, my last node is a Long object... Hope this gets fixed soon. Thanks! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3976859#3976859 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3976859