4 is in the works, but probably isnt enterprise ready quite yet. If you have a short time to market, I would say use 3.2x View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4226317#4226317 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4226317