"hipchic" wrote : Please remove in the hibernate.cfg.xml the line | | mapping resource="org/jbpm/taskinstance/CustomTaskInstance.hbm.xml | | [...] | thks, but it's work great also Thanks for the feedback, I've fixed the error in the hibernate config file, and will look again at the implementation to see how it can be improved when I get a bit more time. Glad it works for you. ---- Bill View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4033781#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...