for (final File jarFile : jarFiles) {
            try (FileSystem fs = FileSystems.newFileSystem(jarFile.toPath(), ClassLoader.getSystemClassLoader())) {
                final Path xmlPath = fs.getPath("fess_ds++.xml");
                try (InputStream is = Files.newInputStream(xmlPath)) {

        excludedDocPaths = fessConfig.getCrawlerDocumentFileDefaultExcludeSearchPatterns();
        boost = 1.0f;
        numOfThread = Constants.DEFAULT_NUM_OF_THREAD_FOR_FS;
        intervalTime = Constants.DEFAULT_INTERVAL_TIME_FOR_FS;
        sortOrder = 0;
        createdBy = ComponentUtil.getSystemHelper().getUsername();
        createdTime = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();