I still couldn't figure out why I get this error when I send it through an @Asynchronous call. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4110073#4110073 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4110073