1: If there are, they were not mentioned here. Easiest thing to do is write a small application that uses hiberenate to find all processinstances with or beyond a certain end date and do a delete via hibernate. That will cascadingly remove all things 2: Hmm... I never had a 'data integrity constraint violation' so this will be even less likely to exist View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4249667#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...