logger.warn("Failed to store crawling information: sessionId={}", options.sessionId, e);
            }

            final Map<String, String> infoMap = crawlingInfoHelper.getInfoMap(options.sessionId);

            final StringBuilder buf = new StringBuilder(500);
            for (final Map.Entry<String, String> entry : infoMap.entrySet()) {
                if (buf.length() != 0) {