"boercher" wrote : Have you tried to remove the offending object(s) from the Hibernate session? I don't know if it is possible to access it in the right moment but I would try | jbpmContext.getSession().evict(processInstance) (or the like) | | BTW: Doesn't it help to omit the call to jbpmContext.save() ? | | Volker Hi Volker, I will try it, but it sounds like a hack? It seems I can and JBPM provides the ability to specify what process instances should be saved and what shouldn't. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4224278#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...