static {
    if (!Boolean.getBoolean(GridSystemProperties.GG_JETTY_LOG_NO_OVERRIDE)) {
      String ctgrJetty = "org.eclipse.jetty"; // WARN for this category.
      String ctgrJettyUtil = "org.eclipse.jetty.util.log"; // ERROR for this...
      String ctgrJettyUtilComp = "org.eclipse.jetty.util.component"; // ...and this.

      try {
        Class<?> logCls = Class.forName("org.apache.log4j.Logger");

        Object logJetty = logCls.getMethod("getLogger", String.class).invoke(logCls, ctgrJetty);
        Object logJettyUtil =
            logCls.getMethod("getLogger", String.class).invoke(logCls, ctgrJettyUtil);
        Object logJettyUtilComp =
            logCls.getMethod("getLogger", String.class).invoke(logCls, ctgrJettyUtilComp);

        Class<?> lvlCls = Class.forName("org.apache.log4j.Level");

        Object warnLvl = lvlCls.getField("WARN").get(null);
        Object errLvl = lvlCls.getField("ERROR").get(null);

        logJetty.getClass().getMethod("setLevel", lvlCls).invoke(logJetty, warnLvl);
        logJettyUtil.getClass().getMethod("setLevel", lvlCls).invoke(logJetty, errLvl);
        logJettyUtilComp.getClass().getMethod("setLevel", lvlCls).invoke(logJetty, errLvl);
      } catch (Exception ignored) {
        // No-op.
      }
    }
  }
  private void handleLoginPost(
      Request request, HttpServletResponse httpServletResponse, boolean secured) throws Exception {
    String userId = request.getParameter(PARAM_USER_ID);
    String password = request.getParameter(PARAM_PASSWORD);
    String rememberAccountStr = request.getParameter(PARAM_REMEMBER_ACCOUNT);
    boolean rememberAccount = Boolean.parseBoolean(rememberAccountStr);
    LoginInfo.SessionInfo sessionInfo = UserHelpers.getSessionInfo(request);

    logOut(sessionInfo.browserId);

    User user = userDb.get(userId);
    if (user == null) {
      WebUtils.redirectToError("User " + userId + " not found", request, httpServletResponse);
      return;
    }

    if (!user.checkPassword(password)) {
      WebUtils.redirectToError("Invalid password", request, httpServletResponse);
      return;
    }

    if (!user.active) {
      WebUtils.redirectToError(
          "Account for User " + userId + " needs to be activated", request, httpServletResponse);
      return;
    }

    LOG.info("Logged in user " + userId);

    sessionInfo.sessionId = null;
    if (sessionInfo.browserId == null) {
      sessionInfo.browserId = getRandomId();
    } else {
      for (LoginInfo loginInfo : loginInfoDb.getLoginsForBrowser(sessionInfo.browserId)) {
        if (userId.equals(loginInfo.userId)) {
          sessionInfo.sessionId = loginInfo.sessionId;
          break;
        }
      }
    }

    long expireOn = System.currentTimeMillis() + Config.getConfig().loginExpireInterval;
    if (sessionInfo.sessionId == null) {
      sessionInfo.sessionId = getRandomId();
      Config config = Config.getConfig();
      loginInfoDb.add(
          new LoginInfo(
              sessionInfo.browserId,
              sessionInfo.sessionId,
              userId,
              expireOn,
              rememberAccount,
              config.defaultStyle,
              config.defaultItemsPerPage,
              config.defaultFeedDateFormat));
      LOG.info(String.format("Logging in in a new session. User: %s", user));
    } else {
      loginInfoDb.updateExpireTime(sessionInfo.browserId, sessionInfo.sessionId, expireOn);
      LOG.info(String.format("Logging in in an existing session. User: %s", user));
    }

    WebUtils.saveCookies(
        httpServletResponse, secured, sessionInfo.browserId, sessionInfo.sessionId);

    httpServletResponse.sendRedirect("/");
  }