protected int crawlerPriority = Thread.NORM_PRIORITY;

    protected final List<DataCrawlingThread> dataCrawlingThreadList = Collections.synchronizedList(new ArrayList<>());

    public void crawl(final String sessionId) {
        final List<DataConfig> configList = ComponentUtil.getCrawlingConfigHelper().getAllDataConfigList();

        if (configList.isEmpty()) {
            // nothing

                webFsCrawlerThread = new Thread((Runnable) () -> {
                    // crawl web
                    writeTimeToSessionInfo(crawlingInfoHelper, Constants.WEB_FS_CRAWLER_START_TIME);
                    webFsIndexHelper.crawl(options.sessionId, webConfigIdList, fileConfigIdList);
                    writeTimeToSessionInfo(crawlingInfoHelper, Constants.WEB_FS_CRAWLER_END_TIME);

        assertEquals(3, labelTypes.length);
    }

    public void test_escape() {
        // https://www.google.com/support/enterprise/static/gsa/docs/admin/70/gsa_doc_set/admin_crawl/url_patterns.html#1076127
        assertEscapePattern("", "# Test");
        assertEscapePattern(".*\\Q!/\\E.*", "!/");
        assertEscapePattern("\\Qindex.html\\E", "index.html");

        return jsonPath.get("response.id");
    }

    private static String createCrawlLabel() {
        Map<String, Object> labelBody = new HashMap<>();
        labelBody.put("name", CRAWL_LABEL);
        labelBody.put("value", CRAWL_LABEL);
        labelBody.put("included_paths", ".*");
        Response response = checkMethodBase(labelBody).put("/api/admin/labeltype/setting");

labels.crawling_info_CrawlerExecTime=Crawler Ausführungsdauer
labels.crawling_info_CrawlerStatus=Crawler-Status
labels.crawling_info_WebFsCrawlExecTime=Crawl Ausführungsdauer (Web/Dateisystem)
labels.crawling_info_WebFsCrawlStartTime=Crawl Startzeit (Web/Dateisystem)
labels.crawling_info_WebFsCrawlEndTime=Crawl Endzeit (Web/Dateisystem)
labels.crawling_info_WebFsIndexExecTime=Indizierung Ausführungsdauer (Web/Dateisystem)

labels.crawling_info_WebFsCrawlExecTime=Crawl exec time (Web/File system)
labels.crawling_info_WebFsCrawlStartTime=Crawl start time (Web/File system)
labels.crawling_info_WebFsCrawlEndTime=Crawl end time (Web/File system)
labels.crawling_info_WebFsIndexExecTime=Indexing exec time (Web/File system)
labels.crawling_info_WebFsIndexSize=Index size (Web/File system)
labels.crawling_info_DataCrawlExecTime=Crawl exec time (Data store)

labels.crawling_info_WebFsCrawlExecTime=Crawl exec time (Web/File system)
labels.crawling_info_WebFsCrawlStartTime=Crawl start time (Web/File system)
labels.crawling_info_WebFsCrawlEndTime=Crawl end time (Web/File system)
labels.crawling_info_WebFsIndexExecTime=Indexing exec time (Web/File system)
labels.crawling_info_WebFsIndexSize=Index size (Web/File system)
labels.crawling_info_DataCrawlExecTime=Crawl exec time (Data store)

labels.crawling_info_WebFsCrawlExecTime=Crawl exec time (Web/File system)
labels.crawling_info_WebFsCrawlStartTime=Crawl start time (Web/File system)
labels.crawling_info_WebFsCrawlEndTime=Crawl end time (Web/File system)
labels.crawling_info_WebFsIndexExecTime=Indexing exec time (Web/File system)
labels.crawling_info_WebFsIndexSize=Index size (Web/File system)
labels.crawling_info_DataCrawlExecTime=Crawl exec time (Data store)

    public static final String ERRORS_could_not_find_log_file = "{errors.could_not_find_log_file}";

    /** The key of the message: Failed to start a crawl process. */
    public static final String ERRORS_failed_to_start_crawl_process = "{errors.failed_to_start_crawl_process}";

    /** The key of the message: Invalid JSP file. */

    protected int crawlerPriority = Thread.NORM_PRIORITY;

    protected final List<Crawler> crawlerList = Collections.synchronizedList(new ArrayList<>());

    public void crawl(final String sessionId, final List<String> webConfigIdList, final List<String> fileConfigIdList) {
        final boolean runAll = webConfigIdList == null && fileConfigIdList == null;
        final List<WebConfig> webConfigList;