appendJson("url", entity.getUrl(), buf).append(',');
                    appendJson("order", entity.getOrder(), buf).append(',');
                    appendJson("query-requested-at", entity.getQueryRequestedAt(), buf).append(',');
                    appendJson("requested-at", entity.getRequestedAt(), buf);
                    buf.append('}');
                    buf.append('\n');
                    try {

                params.put("URL ID", e.getUrlId());
                params.put("Order", toNumberString(e.getOrder()));
                params.put("Query Requested Time", FessFunctions.formatDate(e.getQueryRequestedAt()));
                params.put("Requested Time", FessFunctions.formatDate(e.getRequestedAt()));
                return params;
            }).get();
        }