if (log.isDebugEnabled()) {
                            log.debug("CREATE request with advanced features failed ({}), retrying with basic request",
                                    e.getClass().getSimpleName() + ": " + e.getMessage());
                        }

                        // Create a new basic request without advanced features

     * Called automatically after dependency injection is complete.
     */
    @PostConstruct
    public void open() {
        if (logger.isDebugEnabled()) {
            logger.debug("Initialize {}", this.getClass().getSimpleName());
        }
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if (StringUtil.isNotBlank(fessConfig.getIndexDictionaryPrefix())) {