Read the manual: http://docs.jboss.com/jbpm/v4.0/devguide/html_single/#persistence View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4246470#4246470 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4246470