"sankul123" wrote : Even after updating I still get old conn object if I make a JNDI call. | I dont see any events as mentioned in case 1 , when I update the ora-ds.xml file in second case. | You should be redeploying the EAR to see the changes in -ds.xml , modify the EAR/META-INF/app.xml after you make changes in the -ds.xml that will lead to the hot deployment of EAR . View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4159434#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...