Hello, Thanks for the reply.I just forgot to put the package of jbpm to transactional context. Thanks for the reply. cheers. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4259509#4259509 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4259509