hmmm... afaik, because of the way hibernate works, you cannot read a pd, update it programatically and deploy it as a new version. The way you do it now, you not only deploy a new processdefinition, but also update the current one.... (or maybe only update the current one). Try working with 2 xml based processdefinitions and see if the problem still occurs... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4037007#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...