"dasariprasad" wrote : i have simple newcmp.jar that has persistence.xml | | Where in the jar have you placed the persistence.xml? Post the output of the following command: jar -tf newcmp.jar While posting the logs or xml content or code, remember to wrap it in a code block using the Code button in the message editor window and please hit the Preview button to make sure your post is correctly formatted View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4177860#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...