public String jarSkipPropertyName() {
      switch (this) {
        case TOMCAT6:
          return null;
        case TOMCAT7:
          return "tomcat.util.scan.DefaultJarScanner.jarsToSkip";
        case TOMCAT8:
        case TOMCAT9:
          return "tomcat.util.scan.StandardJarScanFilter.jarsToSkip";
        default:
          throw new IllegalArgumentException("Illegal tomcat version option");
      }
    }
Converts the version to an integer

@return the version as an integer
geode-assembly/geode-assembly-test/src/main/java/org/apache/geode/session/tests/TomcatInstall.java