Remove JbpmConfiguration.getInstance().createSchema(). You only need to do that once and not every time. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3962159#3962159 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3962159