crawlingConfigHelper.refresh();
        assertNull(crawlingConfigHelper.getCrawlingConfig(null));
        assertNull(crawlingConfigHelper.getCrawlingConfig(""));
        assertNull(crawlingConfigHelper.getCrawlingConfig("XXX"));
        final CrawlingConfig webConfig = crawlingConfigHelper.getCrawlingConfig("W01");
        assertEquals("01", webConfig.getId());
        assertTrue(webConfig instanceof WebConfig);

     *
     * @param configId the configuration ID to retrieve
     * @return the CrawlingConfig object or null if not found or on error
     */
    public CrawlingConfig getCrawlingConfig(final String configId) {
        try {
            return crawlingConfigCache.get(configId, () -> {
                final ConfigType configType = getConfigType(configId);
                if (configType == null) {

        return process(id, (configId, url) -> {
            final CrawlingConfigHelper crawlingConfigHelper = ComponentUtil.getCrawlingConfigHelper();
            final CrawlingConfig config = crawlingConfigHelper.getCrawlingConfig(configId);
            if (config == null) {
                throw new ThumbnailGenerationException("No CrawlingConfig: " + configId);
            }

            if (logger.isInfoEnabled()) {