So the NPE comes from the line in ManagedJbpmContext which flushes the BusinessProcessContext? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4013157#4013157 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4013157