HTTP Status 500 - isNew: Session already invalidated

type Exception report

message isNew: Session already invalidated

description The server encountered an internal error that prevented it from fulfilling this request.

exception

java.lang.IllegalStateException: isNew: Session already invalidated
	org.apache.catalina.session.StandardSession.isNew(StandardSession.java:1272)
	org.apache.catalina.session.StandardSessionFacade.isNew(StandardSessionFacade.java:196)
	com.sisis.elektra.servletgui.filters.InitFilter.doFilter(InitFilter.java:36)
	com.sisis.elektra.servletgui.filters.UTF8EncodingFilter.doFilter(UTF8EncodingFilter.java:26)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.41 logs.

Apache Tomcat/7.0.41