Please post the following information: 1) Your *-ds.xml file for the data source (make sure you enclose it in code brackets - select the text and click the Code button located above the text window) 2) The code you are using to look up the data source. 3) If your web.xml file references the data source, provide that also (once again enclosed in code brackets) 4) If your jboss-web.xml file references the data source, provide that also (once again enclosed in code brackets) And use the Preview button to make sure the formatting is correct before you submit your reply. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4163652#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...