Just tried that and still didn't work... I will try to check back here later, I have to leave for a few hours. To create the jar file: | jar cvf %JBOSS_HOME%\server\default\deploy\tps-entity.jar tps\entity\Flight.class META-INF\persistence.xml tps\entity\IFlight.class tps\entity\FlightBean.class | Thanks. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4140194#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...