Upgrade failed while doing it from 15.9.1 to 15.9.3
.(SetupUtil) Error: Invalid Tomcat home directory
(UnknownElement) Task “exec” finished with error.
Problem with the Tomcat release used for the upgrade.
Tomcat web server which was tested and shipped with Clarity 15.9.3 is Apache Tomcat 8.5.65. Updating Tomcat Home to the 8.5.65 and rerunning the Clarity 15.9.3 upgrade.