Its Me [http://community.jboss.org/people/heyyou] replied to the discussion "Unable to get EJB3 loaded on 5.0.1" To view the discussion, visit: http://community.jboss.org/message/555738#555738 -------------------------------------------------------------- The issue turns out to be that I specified "jdbc/" in front of my DataSource definition. After removing this from both files, it worked. Anyone have an explanation why this might be the case ? This worked in previous JBoss installation with the "jdbc/" .. -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/555738#555738] Start a new discussion in JCA at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]