}
            writeTimeToSessionInfo(crawlingInfoHelper, Constants.CRAWLER_END_TIME);
            crawlingInfoHelper.putToInfoMap(Constants.CRAWLER_EXEC_TIME, Long.toString(systemHelper.getCurrentTimeAsLong() - totalTime));

        }
    }

    protected void writeTimeToSessionInfo(final CrawlingInfoHelper crawlingInfoHelper, final String key) {
        if (crawlingInfoHelper != null) {

        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final String sessionId = crawlingInfoHelper.getCanonicalSessionId(responseData.getSessionId());
        final PathMappingHelper pathMappingHelper = ComponentUtil.getPathMappingHelper();
        final Date documentExpires = crawlingInfoHelper.getDocumentExpires(crawlingConfig);

        }
        crawlerList.clear();
        crawlerStatusList.clear();

        // put cralwing info
        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();

        final long execTime = systemHelper.getCurrentTimeAsLong() - startTime;
        crawlingInfoHelper.putToInfoMap(Constants.WEB_FS_CRAWLING_EXEC_TIME, Long.toString(execTime));
        if (logger.isInfoEnabled()) {

        }

        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final CrawlingInfoHelper crawlingInfoHelper = ComponentUtil.getCrawlingInfoHelper();
        final String sessionId = crawlingInfoHelper.getCanonicalSessionId(responseData.getSessionId());
        final PathMappingHelper pathMappingHelper = ComponentUtil.getPathMappingHelper();

        final FessXpathTransformer fessXpathTransformer = new FessXpathTransformer();
        fessXpathTransformer.init();
        SingletonLaContainerFactory.getContainer().register(CrawlingInfoHelper.class, "crawlingInfoHelper");
        SingletonLaContainerFactory.getContainer().register(PathMappingHelper.class, "pathMappingHelper");