fork/join pairs have to be fully nested. Task 1 is used in both fork1 and fork 2 at the same time. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4257289#4257289 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4257289