Also, could you post your jboss.xml file that you are using to tie the MDB to the adapter. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4038534#4038534 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4038534