return StringUtils.abbreviate(originalStr, maxWidth);
        } catch (final IOException e) {
            return StringUtil.EMPTY; // empty
        }
    }

    public Map<String, Object> processRequest(final CrawlingConfig crawlingConfig, final String crawlingInfoId, final String url) {
        if (StringUtil.isBlank(crawlingInfoId)) {
            throw new CrawlingAccessException("sessionId is null.");
        }