Well... it definitely responds differently now. Not sure if it's an improvement though ;-) | 19:14:32,445 INFO [EARDeployer] Init J2EE application: file:/Lab/jboss/v404/server/default/deploy/mail.ear/ | 19:14:36,060 INFO [STDOUT] mail list delivery listener started | 19:14:36,790 INFO [POP3Protocol] pop3 security domain set to java:/jaas/Mail+SSL | 19:14:37,567 INFO [EjbModule] Deploying LocalDelivery | 19:14:37,836 INFO [EjbModule] Deploying RemoteDelivery | 19:14:37,883 INFO [EjbModule] Deploying ListDelivery | 19:14:38,379 INFO [JaccHelper] Initialising JACC Context for deployment: mail.par | 19:14:39,646 INFO [Ejb3Deployment] Found persistence.xml file in EJB3 jar | 19:14:39,654 WARN [ServiceController] Problem creating service jboss.j2ee:service=EJB3,module=mail.par | java.lang.NoSuchMethodError: org.hibernate.ejb.packaging.PersistenceXmlLoader.deploy(Ljava/net/URL;)Lorg/hibernate/ejb/packaging/PersistenceMetadata; | at org.jboss.ejb3.Ejb3Deployment.initializeManagedEntityManagerFactory(Ejb3Deployment.java:407) | at org.jboss.ejb3.Ejb3Deployment.create(Ejb3Deployment.java:219) | at org.jboss.ejb3.Ejb3Module.createService(Ejb3Module.java:34) | at org.jboss.system.ServiceMBeanSupport.jbossInternalCreate(ServiceMBeanSupport.java:260) | at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:243) | Has anyone seen that after building and dropping the mail.ear in the deploy dir of an existing JBAS4.0.4GA server? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3976112#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...