Resource files must be in the classpath. For a web module the classpath includes the WEB-INF/classes directory as well as jars in WEB-INF/lib. Hence placing processdefinition.xml in WEB-INF/classes should work. As for how to configure the product with mysql, please read the Getting Started chapter in the user guide. In particular do not to miss the link to the Configuration chapter in the Hibernate manual. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4163260#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...