private CrawlingInfoHelper crawlingInfoHelper;
    private SystemHelper systemHelper;
    private FessConfig fessConfig;
    private DynamicProperties systemProperties;
    private PathMappingHelper pathMappingHelper;
    private DuplicateHostHelper duplicateHostHelper;
    private NotificationHelper notificationHelper;
    private Postbox postbox;

    @Override
    public void setUp() throws Exception {