Unfortunately no, but I can say: * the logging code is the same in the bean and RA, * they both use the Java logger, * they both get a logger using Logger.getLogger(classname), * they both use Logger.entering() and Logger.logp(), * they both log messages in JBoss 4.2.3GA, * they both log messages in glassfish v2, * the bean does not log messages in JBoss 5.0.0. I am really only after some idea of how to track this down. I don't expect anyone to be able to diagnose/solve the problem remotely :-) Thanks! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4207415#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...