You would normally put the JAR in your WAR, but putting it in JBoss lib dir is fine. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4085039#4085039 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4085039