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 05, 2021
Applies to:Oracle WebLogic Server - Version 126.96.36.199.0 and later
Information in this document applies to any platform.
When trying to upgrade WebLogic from 12.1.3 to 188.8.131.52.0, it fails with the below errors:
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