it's there sii find output /opt/jboss/server/default/lib/pgsql-jdbc.jar might not be problem of jar View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4021946#4021946 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4021946