infoMap = Collections.synchronizedMap(new LinkedHashMap<>());
        }
        logger.debug("infoMap: {}={} => {}", key, value, infoMap);
        infoMap.put(key, value);
    }

    public void updateParams(final String sessionId, final String name, final int dayForCleanup) {
        final CrawlingInfo crawlingInfo = getCrawlingInfoService().getLast(sessionId);
        if (crawlingInfo == null) {

                } catch (final NumberFormatException e) {}
            } else {
                dayForCleanup = ComponentUtil.getFessConfig().getDayForCleanup();
            }
            crawlingInfoHelper.updateParams(options.sessionId, options.name, dayForCleanup);
        } catch (final Exception e) {
            logger.warn("Failed to store crawling information.", e);
        }

        try {