Have a look at: http://wiki.jboss.org/wiki/Wiki.jsp?page=Log4jConflictsInJBoss View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4026301#4026301 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4026301