JBM doesn't use XA datasource. You just need to configure your MDB to be transactional, that's ok. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4247615#4247615 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4247615