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Error during Pre-Upgrade steps of 12.2 Upgrade “SEVERE: The content of elements must consist of well-formed character data or markup” (Doc ID 2377375.1)

Last updated on SEPTEMBER 25, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.2 to 12.2.0.1 [Release 11.2 to 12.2]
Information in this document applies to any platform.

Symptoms

While performing Database upgrade from 11.2.0.4 to 12.2.0.1, 12.2.0.1 DBUA fails during preupgrade steps with below error in the screenshot:

“SEVERE: The content of elements must consist of well-formed character data or markup”. The upgrade.xml file is not getting generated due to the error.

 

 Upgrade Trace.log has below error stack:

Even manual method did not generate the upgrade.xml and failed with same error message.

Changes

Bug has been filed for the issue:
Bug 26163683 – PREUPGRADE.JAR FAILS SEVERE: THE CONTENT OF ELEMENTS MUST CONSIST OF WELL-FORMED.
A function used in preupgrade tool was emitting a query in a format that was causing translation problems in XML.

Cause

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