crawlingInfoHelper.putToInfoMap(Constants.DATA_CRAWLING_EXEC_TIME, Long.toString(execTime));
        if (logger.isInfoEnabled()) {
            logger.info("[EXEC TIME] crawling time: {}ms", execTime);
        }

        crawlingInfoHelper.putToInfoMap(Constants.DATA_INDEX_EXEC_TIME, Long.toString(indexUpdateCallback.getExecuteTime()));

        } finally {
            pathMappingHelper.removePathMappingList(options.sessionId);
            crawlingInfoHelper.putToInfoMap(Constants.CRAWLER_STATUS, errors.isEmpty() ? Constants.T.toString() : Constants.F.toString());
            if (!errors.isEmpty()) {
                crawlingInfoHelper.putToInfoMap(Constants.CRAWLER_ERRORS,

        } catch (final InterruptedException e) {
            logger.warn("Interrupted index update.", e);
        }

        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_INDEX_EXEC_TIME, Long.toString(indexUpdater.getExecuteTime()));
        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_INDEX_SIZE, Long.toString(indexUpdater.getDocumentSize()));

        if (systemHelper.isForceStop()) {
            return;
        }

     *
     * @param key the parameter key to store
     * @param value the parameter value to store
     */
    public synchronized void putToInfoMap(final String key, final String value) {
        if (infoMap == null) {
            infoMap = Collections.synchronizedMap(new LinkedHashMap<>());
        }
        logger.debug("infoMap: {}={} => {}", key, value, infoMap);