}

                final String dataPath = getResourcePath(indexConfigPath, fessConfig.getFesenType(), "/" + index + "/" + docType + ".bulk");
                if (ResourceUtil.isExist(dataPath)) {
                    insertBulkData(fessConfig, indexName, dataPath);
                }
                split(fessConfig.getAppExtensionNames(), ",").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(name -> {

            log.trace("Using cached attributes");
            return this.isExists;
        }

        this.attributes = ATTR_READONLY | ATTR_DIRECTORY;
        this.createTime = 0L;
        this.lastModified = 0L;
        this.lastAccess = 0L;
        this.isExists = false;

        try {
            if ( this.url.getHost().length() == 0 ) {}