<[ServletContext@485473528[app:appmoudlename module:/PenCRM path:/PenCRM spec-version:null]] Servlet

Hello Team,

Recently we moved the applications from weblogic 10.3.0 to 10.3.6 after the deployment we are trying to test the applications and it was no get proper response and we are seeing below ERROR in the server logs.

we are using EJB also.

Please help me on that.

<Error> <HTTP> <BEA-101020> <[ServletContext@485473528[app:appmoudlename module:/PenCRM path:/PenCRM spec-version:null]] Servlet failed with Exception

java.lang.IllegalArgumentException: Key for session.getAttribute() is null

        at weblogic.servlet.internal.session.SessionData.check(SessionData.java:481)

        at weblogic.servlet.internal.session.ReplicatedSessionData.getAttribute(ReplicatedSessionData.java:716)

        at com.covansys.jclarety.arch.web.internal.HasRights.doStartTag(Unknown Source)