protected int maxSessionIdsInList;

    protected CrawlingInfoService getCrawlingInfoService() {
        return ComponentUtil.getComponent(CrawlingInfoService.class);
    }

    public String getCanonicalSessionId(final String sessionId) {
        final int idx = sessionId.indexOf('-');
        if (idx >= 0) {
            return sessionId.substring(0, idx);
        }
        return sessionId;
    }

        final String contentMeta = contentMetaBuf.toString().trim();

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

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