didn't you have an old jbpm.cfg.xml? e.g. one from 3.1? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4062486#4062486 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4062486