i think you have to remove reference to jbpm.jpdl.hbm.xml..there were previous posts on the same. View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4250750#4250750 Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&p=4250750