In the stacktrace I do not come across any jbpm classes , so the change is bigger that it is in seam or in spring. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4133425#4133425 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4133425