@Override
  public KerberosTicketValidation validateTicket(byte[] bytes) throws BadCredentialsException {
    // If Kerberos authentication is enabled, forward this method invocation to the backing
    // SunJaasKerberosTicketValidator instance.
    return (kerberosTicketValidator == null)
        ? null
        : kerberosTicketValidator.validateTicket(bytes);
  }
Creates a new AmbariKerberosTicketValidator

@param configuration the Ambari server configuration
ambari-server/src/main/java/org/apache/ambari/server/security/authentication/kerberos/AmbariKerberosTicketValidator.java