/**
     * Creates a new instance of CrawlerEngineClient.
     */
    public CrawlerEngineClient() {
        super();
    }

    @Override
    protected Client createClient() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String[] hosts =

            final SetObjectTagsArgs args =
                    SetObjectTagsArgs.builder().bucket(fessConfig.getStorageBucket()).object(objectName).tags(tags).build();
            createClient(fessConfig).setObjectTags(args);
        } catch (final Exception e) {
            throw new StorageException("Failed to update tags for " + objectName, e);
        }
    }

    /**