private void reloadPasswordValidator() {
    try {
      synchronized (passwordValidatorSynch) {
        if (passwordValidator != null) {
          passwordValidator.dispose();
          passwordValidator = null;
        }

        if (passwdValDoc != null && isEnabled(passwdValDoc)) {
          Class<?> cls = getClass(passwdValDoc);

          if (cls != null) {
            if (OPasswordValidator.class.isAssignableFrom(cls)) {
              passwordValidator = (OPasswordValidator) cls.newInstance();
              passwordValidator.config(server, serverConfig, passwdValDoc);
              passwordValidator.active();
            } else {
              OLogManager.instance()
                  .error(
                      this,
                      "ODefaultServerSecurity.reloadPasswordValidator() class is not an OPasswordValidator");
            }
          } else {
            OLogManager.instance()
                .error(
                    this,
                    "ODefaultServerSecurity.reloadPasswordValidator() PasswordValidator class property is missing");
          }
        }
      }
    } catch (Exception ex) {
      OLogManager.instance()
          .error(
              this,
              "ODefaultServerSecurity.reloadPasswordValidator() Exception: %s",
              ex.getMessage());
    }
  }