if (ComponentUtil.getFessConfig().isLoggingSearchDocsEnabled()) {
            queryResponseList.stream().forEach(res -> {
                final Map<String, Object> map = new HashMap<>();
                Arrays.stream(ComponentUtil.getFessConfig().getLoggingSearchDocsFieldsAsArray()).forEach(s -> map.put(s, res.get(s)));
                searchLog.addDocument(map);
            });
        }
    }

        searchEngineClient.flushConfigFiles(() -> {
            final String docIndex = fessConfig.getIndexDocumentUpdateIndex();
            searchEngineClient.admin().indices().prepareClose(docIndex).execute(ActionListener.wrap(res -> {
                logger.info("Close {}", docIndex);
                searchEngineClient.admin().indices().prepareOpen(docIndex).execute(