Why is IncompatibleClassChangeError exception randomly showing in server.log?
Issue
In server.log there are exceptions like these showing randomly. Reason seems to be unknown.
[ContainerBackgroundProcessor[StandardEngine[jboss.web]]] ERROR core.ContainerBase - Session event listener threw exception
java.lang.IncompatibleClassChangeError
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:667)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:801)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:654)
at javax.naming.InitialContext.lookup(InitialContext.java:351)
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:682)
at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:667)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1270)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1555)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1564)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1564)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1544)
at java.lang.Thread.run(Thread.java:595)
Environment
- JBoss Enterprise Application Platform(EAP) 4.3.0
- Not using JBoss Security
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