Either: - custom query or - retrieve all processes, loop over them to get tasks, loop over them to get all actors I'd go for the first View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4125335#4125335 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4125335