One correction: 'in jBPM' should be 'in your datasource' (which is an appsserver thing), so therefore my reference to other forums Two more things. The search functionality provided by e.g. Google would most likely have given you a hint about the cause of your error. It is always better to use serious subjects of topics. If you post here it is quite obvious that you need help (at least it is in most cases). This is e.g. better for people who use search functionality View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4240660#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...