fix the problem by inserting my driver file into Jboss lib and any lib directories under seam. Not sure which one did it.... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4056031#4056031 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4056031