Ok, salaboy21 I follow your suggestion but nothing change...it seems jbpm.cfg.xml is not correct because an error regarding a class of my application is required. The error is | Caused by: org.hibernate.MappingException: An AnnotationConfiguration instance is required to use <mapping class="it.eurosoft.mapping.... How do this two simple called functions want MY mapping class? Is jbpm reading my hibernate.cfg.xml? :-( Bye. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4192498#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...