Performance Center upgrade was not successful
From the Performance_Center_Install.log:
Copy File: Destination: /opt/ca/TEMPDIR/946462.tmp/log4j2.properties
Additional Notes: WARNING - Source /opt/ca/PerformanceCenter/PC/resources/log4j2.properties does not exist.
ERROR: There was an error running mysql_upgrade. Please check /int/xpm/CA/MySql/mysql_upgrade_results.txt for the reason.
Done running upgrade script to convert database to MySQL 8.0.28 format.
But the mysql_upgrade_results.txt file is empty
This is a benign warning and error
Release : 21.2
Nothing to do, as the upgrade was really successful.
This warning will be fixed in an upcoming release