My classpath points to an old jboss-xml-binding.jar, after I removed that, the sample works now. Luan View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4024003#4024003 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4024003