카카오맵 api가져와서 음식점값만 크롤링

문의 시, 사용하시는 개발환경과 디벨로퍼스 앱ID를 알려주세요.
___개발환경은 Java이며, 디벨로퍼스 앱ID는 woori입니다

public List<KaKaoMapResponse.Document> searchRestaurants(String query, double lat, double lng, int radius) {
String url = “https://dapi.kakao.com/v2/local/search/keyword.json”;
HttpHeaders headers = new HttpHeaders();
headers.set(“Authorization”, "KakaoAK " + RestKey);
HttpEntity entity = new HttpEntity<>(headers);

    UriComponentsBuilder uriBuilder = UriComponentsBuilder.fromHttpUrl(url)
            .queryParam("query", query)
            .queryParam("x", lng)
            .queryParam("y", lat)
            .queryParam("radius", radius)
            .queryParam("category_group_code", "FD6"); 

    ResponseEntity<KaKaoMapResponse> response = restTemplate.exchange(
            uriBuilder.toUriString(),
            HttpMethod.GET,
            entity,
            KaKaoMapResponse.class
    );
   
    try {
        String jsonResponse = objectMapper.writeValueAsString(response.getBody());
        log.info("Response from Kakao API (JSON): {}", jsonResponse);
    } catch (Exception e) {
        log.error("Failed to convert response to JSON", e);
    }

    return Objects.requireNonNull(response.getBody()).getDocuments(); 

}
postman에서 http://localhost:8080/api/kakao-map/search?query=음식점&lat=37.5665&lng=126.9780&radius=2000 url로 테스트했는데 ""값이 나옵니다.