anonymous wrote : I dont want to use hibernate jars which comes in Jboss4.2.2 distribution. These jars are old (3.2.1). JBoss-4.2.2 ships with 3.2.4.sp1. anonymous wrote : I want to use the latest version with Jboss4.2.2. Its definitely possible to use a different version of Hibernate with JBoss-4.2.2. All you have to do is configure the isolation correctly and package all the appropriate Hibernate and other related jars in your application. There was a similar thread where this was discussed, see this (a bit lengthy) thread http://www.jboss.com/index.html?module=bb&op=viewtopic&t=120419&a... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4134334#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...