writeJsonResponse(HttpServletResponse.SC_BAD_REQUEST, escapeJsonKeyValue(MESSAGE_FIELD, "Scroll Search is not available."));
            return;
        }

        final StringBuilder buf = new StringBuilder(1000);
        request.setAttribute(Constants.SEARCH_LOG_ACCESS_TYPE, Constants.SEARCH_LOG_ACCESS_TYPE_JSON);
        final JsonRequestParams params = new JsonRequestParams(request, fessConfig);
        try {

    protected Map<String, List<String>> configListMap = new HashMap<>();

    protected String scrollForSearch = "1m";

    protected int sizeForDelete = 100;

    protected String scrollForDelete = "1m";

    protected int sizeForUpdate = 100;

    protected String scrollForUpdate = "1m";

    protected int maxConfigSyncStatusRetry = 10;

    protected int maxEsStatusRetry = 60;