Most likely the lookup in init fails. Is there an exception before the NPE? You could change the code in init to: try | { | ... | } | catch(Exception e) | { | e.printStackTrace(); | throw new ServletException(e); | } This should prevent a servlet to become alive after a fault. If a NamingException is the case, you should find the correct name using JNDIView in JMX-Console. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4000388#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...