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getAttributeNames: Session already invalidated
java.lang.IllegalStateException: getAttributeNames: Session already invalidated at org.apache.catalina.session.StandardSession.getAttributeNames(StandardSession.java:1186) at org.apache.catalina.session.StandardSessionFacade.getAttributeNames(StandardSessionFacade.java:139) at org.eclipse.equinox.http.servlet.internal.servlet.HttpSessionAdaptor.getAttributeNames0(HttpSessionAdaptor.java:152) at org.eclipse.equinox.http.servlet.internal.servlet.HttpSessionAdaptor.invalidate(HttpSessionAdaptor.java:177) at org.eclipse.equinox.http.servlet.internal.servlet.HttpSessionAdaptor$ParentSessionListener.valueUnbound(HttpSessionAdaptor.java:43) at org.apache.catalina.session.StandardSession.removeAttributeInternal(StandardSession.java:1800) at org.apache.catalina.session.StandardSession.expire(StandardSession.java:865) at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:658) at org.apache.catalina.connector.Request.doGetSession(Request.java:2869) at org.apache.catalina.connector.Request.getSessionInternal(Request.java:2516) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:427) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)