Is this all that you see in the logs? Please post the entire exception stacktrace. Also post the code where you trying to get a connection. And also the -ds.xml file contents in which you have configured the datasource. Remember to enclose these contents in a code block (use the Code button available in the message editor window) while posting View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4118274#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...