}
  protected static void validate(GrouperSession s) {    try {      if (s == null) {        throw new RuntimeException("null session object");      if (s.member_id == null) {        throw new RuntimeException("null session member");      }      if (s.session_id == null) {        throw new RuntimeException("null session id");      }      if (s.start_time == null) {        throw new RuntimeException("null session start time");      }    }    catch (RuntimeException e) {      e.printStackTrace();      throw new RuntimeException(e.getMessage());    }  } // protected static void validate(s)