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Upgrading WebLogic Fails with the Error "Encountered error: UPGWLS-03503: The domain configuration file <Domain_Home>/config/config.xml is not valid" (Doc ID 2796748.1)

Last updated on AUGUST 08, 2023

Applies to:

Oracle WebLogic Server - Version and later
Information in this document applies to any platform.


When trying to upgrade WebLogic from 12.1.3 to, it fails with the below errors:


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