Undo functionality is something that's not easily to implement nor can it generically be solved since custom actionHandlers always mess up things. A possible approach is: - use the jbpm log for the simple rollbacks - use an undo operation on actionHandlers As you see, quite some work will be involved View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4162585#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...