java.lang.ClassCastException: error When Running Java Servlet Wrapper Application in Upgraded Oracle AS 10g Release

(Doc ID 1456756.1)

Last updated on MARCH 08, 2017

Applies to:

Oracle Containers for J2EE - Version to [Release AS10gR3]
Information in this document applies to any platform.


After upgrade of Oracle application server from version to, the following error is found in the web applications:


Environment has been upgraded from Oracle AS 10gR3 to 

The problem does not reproduce on versions or


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