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  1. ,

    Exception in thread "main" java.util.Hashtable$Enumerator at Source) at Source) at

  2. ,
    via Stack Overflow by Matthias

    Your object contains member variables which are themselves not serializable 'ReportDataStoreRegion'. If you really want to serialize your object. One option would be to declare the variable as transient so that it is not serialized.

Solutions on the web

via Atlassian JIRA by Juan Alonso, 1 year ago
via Atlassian JIRA by Juan Alonso, 1 year ago
via Google Groups by anagha22, 2 years ago
via by Unknown author, 1 year ago
via Atlassian JIRA by Dave Loeng [Atlassian], 1 year ago org.apache.log4j.Logger	at	at	at	at	at	at	at	at	at	at	at	at	at	at	at	at	at	at	at org.apache.catalina.session.StandardSession.writeObject(	at org.apache.catalina.session.StandardSession.writeObjectData(	at org.apache.catalina.session.StandardManager.doUnload(	at org.apache.catalina.session.StandardManager.unload(	at org.apache.catalina.session.StandardManager.stop(	at org.apache.catalina.core.StandardContext.stop(	at org.apache.catalina.core.ContainerBase.removeChild(	at org.apache.catalina.startup.HostConfig.undeployApps(	at org.apache.catalina.startup.HostConfig.stop(	at org.apache.catalina.startup.HostConfig.lifecycleEvent(	at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(	at org.apache.catalina.core.ContainerBase.stop(	at org.apache.catalina.core.ContainerBase.stop(	at org.apache.catalina.core.StandardEngine.stop(	at org.apache.catalina.core.StandardService.stop(	at org.apache.catalina.core.StandardServer.stop(	at org.apache.catalina.startup.Catalina.stop(	at org.apache.catalina.startup.Catalina.start(	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(	at org.apache.catalina.startup.Bootstrap.start(	at org.apache.catalina.startup.Bootstrap.main(