Hello, thanks for your prompt reply. anonymous wrote : And if you would have analysed the the logging a little (really, just a little) you would have seen | | 250 [JbpmJobExecutor:141.29.39.58:1] ERROR org.jbpm.db.JobSession - org.hibernate.MappingException | : Named query not known: JobSe | ssion.getFirstAcquirableJob If you have noticed my first post you would have seen that I had shown that only portion of the stack trace. So I knew that the problem was there, but I did not know what to do about it. BTW, thanks for your indications for posts View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4255820#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...