After User Login, WebCenter Page Failed with Exception: "HttpSession is invalid"

(Doc ID 1668442.1)

Last updated on APRIL 13, 2018

Applies to:

Oracle WebCenter Portal - Version and later
Information in this document applies to any platform.


Intermittently, after user login, the browser display 404 error.
When the problem happens, the log file shows the following Error:

Servlet failed with Exception java.lang.IllegalStateException: HttpSession is invalid
at weblogic.servlet.internal.session.SessionData.check(


Refreshing the browser resolves the issue.


 After upgrading to


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