I got the same error message. My env is oracle+jboss4.04GA+JBPM-BPEl1.1. Someone can help me? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4098725#4098725 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4098725