"jaikiran" wrote : I understand what you are trying to do here. There was a similar question sometime back on this forum http://www.jboss.com/index.html?module=bb&op=viewtopic&t=134276. See if using @Resource as mentioned in that thread is a feasible approach. That way, each application can have their own persistence unit name but bind them to this pre-decided JNDI name and inject it. | | Thanks Jaikiran, but what if we use say Glassfish instead of JBoss? this solution seems to be working on JBoss only. I know the designers don't accept this solution because they want the application to be portable View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4184677#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...