We see the following error in the /opt/CA/PerformanceCenter/DMService.log after multiple failed upgrade attempts:
INFO | jvm 1 | <date> <time> | Caused by: javax.net.ssl.SSLHandshakeException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
Upgrade to any supported release with multiple retries
The java cacerts file can be overwritten with the default if there are multiple upgrade attempts:
Find the location of the cacerts backup from the first attempt.
/opt/CA/PerformanceCenter/InstallLogs/ssl-backup.<date>_<time>/jre_security/cacerts
1) Back up /opt/CA/PerformanceCenter/jre/lib/security/cacerts
2) Copy /opt/CA/PerformanceCenter/InstallLogs/ssl-backup.<date>_<time>/jre_security/cacerts to /opt/CA/PerformanceCenter/jre/lib/security/cacerts
3) Restart the services (mysql not needed), verify if the issue persists.