there is no jbpm class here involved... please describe what you are doing when this is happening, turn on debug to see more etc...etc...etc.. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4178024#4178024 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4178024