/** The key of the configuration. e.g. content_description */
    String RESPONSE_FIELD_content_description = "response.field.content_description";

    /** The key of the configuration. e.g. url_link */
    String RESPONSE_FIELD_url_link = "response.field.url_link";

    /** The key of the configuration. e.g. site_path */
    String RESPONSE_FIELD_site_path = "response.field.site_path";

    /** The key of the configuration. e.g. 50 */

        assertEquals(sitePath, viewHelper.getSitePath(docMap));

        urlLink = "file:/home/user/";
        sitePath = "/home/user/";
        docMap.put(fieldName, urlLink);
        assertEquals(sitePath, viewHelper.getSitePath(docMap));

        urlLink = "file://home/user/";
        sitePath = "/home/user/";
        docMap.put(fieldName, urlLink);

      rawSource.use {
        val source = rawSource.buffer()
        val urlLine = source.readUtf8LineStrict()
        // Choice here is between failing with a correct RuntimeException
        // or mostly silently with an IOException
        url = urlLine.toHttpUrlOrNull() ?: throw IOException("Cache corruption for $urlLine").also {
          Platform.get().log("cache corruption", WARN, it)
        }

            }
            if (size >= 0) {
                return site;
            }
        }
        final Object urlLink = docMap.get(fessConfig.getResponseFieldUrlLink());
        if (urlLink != null) {
            final String returnUrl;
            final String url = urlLink.toString();
            if (LOCAL_PATH_PATTERN.matcher(url).find() || SHARED_FOLDER_PATTERN.matcher(url).find()) {