4.2.2 comes with JBossMQ. I am not sure what jbossesb uses. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4156099#4156099 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4156099