It appears that the java version should be a 'java 1.7' version (not 1.8).
As according to:
Uninstall Unified Self-Service, if you no longer need it.
Before uninstalling, ensure that you install JRE 1.7.51 'or later' and set JAVA_HOME to the JRE 1.7 path.
You need to ignore the 'or later' part of this.
AND also seen in/taken from:
Note: <Drive>:\Program Files\CA\Unified Self-Service_installation\jre7\bin\java.exe should be Java 1.7 version, the one that CA SM 14.1 installer installs.