"kukeltje" wrote : never tried it, but using hibernate, it might be that if you delete a processdefinition, all corresponding instances are removed as well I tried this. It's no working. hibernate throws exceptions. I suppose you cannot delete a process definition which has some or at least one process instance that hasn't ended. So now I am trying to delete the process instances first and to force-end first those not ended. After that I'll try to delete the process def itself. I will post the result here. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4217734#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...