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After Upgrading to Weblogic Server 12.2.1 NullPointerException Occurs When Trying to Access the Session Object in One of the Servlet Filters After a Redirect Response (Doc ID 2193959.1)

Last updated on APRIL 26, 2018

Applies to:

Oracle WebLogic Server - Version 12.2.1.0.0 to 12.2.1.2.0 [Release 12c]
Information in this document applies to any platform.

Symptoms

On 12.2.1.0.0 version, HTTP session is null after the first request is redirected.  NullPointerException occurs when trying to access the session object in one of the servlet filters after the redirect response.

 

Changes

This is happening after upgrading to WLS 12.2 and JDK 8. Before upgrading applications were running under WLS 12.1.3 and JDK 7.  Everything was working fine.

Cause

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