The Tomcat security apache-tomcat-9.0.86 patch was installed.
The certificate error message appears when connecting to the URL.
An attempt to recreate the certificate shows that the wrong CN is used (even though the proper CN was entered)
When the security patch is "backed out" everything works fine
Autosys R12.x
WCC
Bug in apache-tomcat-9.0.86
Upgrade to apache-tomcat-9.0.89 or newer