"ByDcc" wrote : | Global JNDI Namespace | ...... | +- persistence.units:unitName=cartstore (class: org.hibernate.impl.SessionFactoryImpl) | ..... | | I personally, haven't tried binding the entitymanager to the JNDI. Going by the JNDI tree contents that you posted, it looks like the JNDI name its bound to is persistence.units:unitName=cartstore. So your lookup code should be Object obj=ic.lookup("persistence.units:unitName=cartstore"); Having said that, i am not sure why is persistence.units:unitName is being prefixed to the JNDI name. Give it a try and see if it works. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4101505#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...