final StringBuilder buf = new StringBuilder(1000);
        request.setAttribute(Constants.SEARCH_LOG_ACCESS_TYPE, Constants.SEARCH_LOG_ACCESS_TYPE_JSON);
        try {
            final SearchRenderData data = new SearchRenderData();
            final JsonRequestParams params = new JsonRequestParams(request, fessConfig);
            query = params.getQuery();
            searchHelper.search(params, data, OptionalThing.empty());

                    public int getStartPosition() {
                        return 0;
                    }
                };
                params.q = query;
                final SearchRenderData data = new SearchRenderData();
                searchHelper.search(params, data, userBean);
                if (logger.isDebugEnabled()) {
                    logger.debug("loaded facet data: {}", data);
                }