you are probably hitting this bug: http://jira.jboss.com/jira/browse/JBPM-1043 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4076278#4076278 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4076278