Dear guys, How do I interpret the following stacktrace after upgrading to 4.2.2.GA: 2008-02-02 19:12:28,151 DEBUG [org.jboss.web.tomcat.security.SecurityFlushSessionListener] Obtaining SecurityManagerService failed:: | java.lang.ClassCastException: org.jnp.interfaces.NamingContext | at org.jboss.web.tomcat.security.SecurityFlushSessionListener.getSecurityManagerService(SecurityFlushSessionListener.java:201) | at org.jboss.web.tomcat.security.SecurityFlushSessionListener.getSubjectAndSecurityDomain(SecurityFlushSessionListener.java:168 | ) | at org.jboss.web.tomcat.security.SecurityFlushSessionListener.sessionDestroyed(SecurityFlushSessionListener.java:81) | at org.apache.catalina.session.StandardSession.expire(StandardSession.java:702) | at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:592) | at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:681) | at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:666) | at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1315) | at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1600) | at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1609) | at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1609) | at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1589) | at java.lang.Thread.run(Thread.java:595) | 2008-02-02 19:12:28,151 DEBUG [org.jboss.web.tomcat.security.SecurityFlushSessionListener] Unable to obtain SecurityDomain | 2008-02-02 19:12:45,555 DEBUG [com.arjuna.ats.arjuna.logging.arjLogger] Periodic recovery - first pass <Sat, 2 Feb 2008 19:12:45> | 2008-02-02 19:12:45,555 DEBUG [com.arjuna.ats.arjuna.logging.arjLogger] StatusModule: first pass | 2008-02-02 19:12:45,555 DEBUG [com.arjuna.ats.txoj.logging.txojLoggerI18N] [com.arjuna.ats.internal.txoj.recovery.TORecoveryModule_3] - | TORecoveryModule - first pass | 2008-02-02 19:12:45,555 DEBUG [com.arjuna.ats.jta.logging.loggerI18N] [com.arjuna.ats.internal.jta.recovery.info.firstpass] Local XARec | overyModule - first pass | 2008-02-02 19:12:55,557 DEBUG [com.arjuna.ats.arjuna.logging.arjLogger] Periodic recovery - second pass <Sat, 2 Feb 2008 19:12:55> | 2008-02-02 19:12:55,557 DEBUG [com.arjuna.ats.arjuna.logging.arjLogger] AtomicActionRecoveryModule: Second pass | 2008-02-02 19:12:55,557 DEBUG [com.arjuna.ats.txoj.logging.txojLoggerI18N] [com.arjuna.ats.internal.txoj.recovery.TORecoveryModule_6] - | TORecoveryModule - second pass | 2008-02-02 19:12:55,557 DEBUG [com.arjuna.ats.jta.logging.loggerI18N] [com.arjuna.ats.internal.jta.recovery.info.secondpass] Local XARe | coveryModule - second pass | Best regards Niklas View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4125792#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...