apparently when i add a task to "confinuar" the problem vanish, still the error that jbpm gives in the absence of task's is a bit odd. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4063421#4063421 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4063421