protected String getFailReason(UpgradeCheckResult upgradeCheckResult, UpgradeCheckRequest request)
      throws AmbariException {
    return getFailReason(UpgradeCheckDescription.DEFAULT, upgradeCheckResult, request);
  }
Gets the default fail reason
@param upgradeCheckResult the check being performed
@param request           the request
@return the failure string
ambari-server/src/main/java/org/apache/ambari/server/checks/ClusterCheck.java