That class should be in hibernate-all.jar. Did you follow one of the samples apps for your project structure? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3994271#3994271 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3994271