I am a newbie also, but I would try renaming the file to mysql-ds.xml. HTH Frank View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4057115#4057115 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4057115