공공데이터 포털 service key is not registered error about bulletin HOT 3 CLOSED

 public PostsSaveRequestDto getPostInOutsidePostApifake(String name) throws IOException, ParseException {

        StringBuilder urlBuilder = new StringBuilder("http://apis.data.go.kr/1390802/AgriFood/FdImage/getKoreanFoodFdImageList"); /*URL*/
        urlBuilder.append("?" + URLEncoder.encode("serviceKey", "UTF-8") + "=csd/9isLnOcfaTZ9sdpArdEmVSBmX2L2Ml2Upn348u0yPkPYDAqp/LkA1zWCvUKMk8/1CZIiPuDhKxvp/JmuCw="); 
/*Service Key*/
        urlBuilder.append("&" + URLEncoder.encode("service_Type", "UTF-8") + "=" + URLEncoder.encode("json", "UTF-8")); /*xml 과 json 형식 지원*/
        urlBuilder.append("&" + URLEncoder.encode("Page_No", "UTF-8") + "=" + URLEncoder.encode("1", "UTF-8")); /*페이지 번호*/
        urlBuilder.append("&" + URLEncoder.encode("Page_Size", "UTF-8") + "=" + URLEncoder.encode("2", "UTF-8")); /*한 페이지 결과 수*/
        urlBuilder.append("&" + URLEncoder.encode("food_Name", "UTF-8") + "=" + URLEncoder.encode("콩", "UTF-8")); /*음식 명 (검색어 입력값 포함 검색)*/

        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);

        HttpEntity<HttpHeaders> entity = new HttpEntity<>(headers);
        ResponseEntity<String> resp = restTemplate.exchange(URI.create(urlBuilder.toString()), HttpMethod.GET, entity, String.class);

        String givenData = resp.getBody();
        System.out.println("givenData = " + givenData);
        JSONParser jsonParser = new JSONParser();
        PostsSaveRequestDto givenPost = json2XService.json2PostsSaveRequestDto(givenData);
        return givenPost;
    }

    public PostsSaveRequestDto getPostInOutsidePostApifake2(String name) throws IOException, ParseException, URISyntaxException {
        StringBuilder urlBuilder = new StringBuilder("http://apis.data.go.kr/1390802/AgriFood/FdImage/getKoreanFoodFdImageList"); /*URL*/
        urlBuilder.append("?" + URLEncoder.encode("serviceKey", "UTF-8") + "=csd/9isLnOcfaTZ9sdpArdEmVSBmX2L2Ml2Upn348u0yPkPYDAqp/LkA1zWCvUKMk8/1CZIiPuDhKxvp/JmuCw=");
 /*Service Key*/
        urlBuilder.append("&" + URLEncoder.encode("service_Type", "UTF-8") + "=" + URLEncoder.encode("json", "UTF-8")); /*xml 과 json 형식 지원*/
        urlBuilder.append("&" + URLEncoder.encode("Page_No", "UTF-8") + "=" + URLEncoder.encode("1", "UTF-8")); /*페이지 번호*/
        urlBuilder.append("&" + URLEncoder.encode("Page_Size", "UTF-8") + "=" + URLEncoder.encode("2", "UTF-8")); /*한 페이지 결과 수*/
        urlBuilder.append("&" + URLEncoder.encode("food_Name", "UTF-8") + "=" + URLEncoder.encode("콩", "UTF-8")); /*음식 명 (검색어 입력값 포함 검색)*/

        URI uri = new URI(urlBuilder.toString());
        System.out.println("uri.toString() = " + uri.toString());
        RequestEntity request = RequestEntity
                .get(uri)
                .header("Content-type", "application/json")
                .build();
        ResponseEntity<String> givenData = restTemplate.exchange(request, String.class);
        JSONParser jsonParser = new JSONParser();
        PostsSaveRequestDto givenPost = json2XService.json2PostsSaveRequestDto(givenData.getBody());
        return givenPost;
    }
 public PostsSaveRequestDto getPostInOutsidePostApi(String name) throws IOException, ParseException, URISyntaxException {
        URI uri = UriComponentsBuilder
                .fromUriString("http://apis.data.go.kr/1390802/AgriFood/FdImage/getKoreanFoodFdImageList")
                .queryParam("serviceKey", "csd/9isLnOcfaTZ9sdpArdEmVSBmX2L2Ml2Upn348u0yPkPYDAqp/LkA1zWCvUKMk8/1CZIiPuDhKxvp/JmuCw=")
                .queryParam("service_Type", "json")
                .queryParam("Page_No", "1")
                .queryParam("Page_Size", "2")
                .queryParam("food_Name", name)
                .build()
                .encode(StandardCharsets.UTF_8)
                .toUri();
        RequestEntity request = RequestEntity
                .get(uri)
                .header("Content-type", "application/json")
                .build();
        ResponseEntity<String> givenData = restTemplate.exchange(request, String.class);
        JSONParser jsonParser = new JSONParser();
        PostsSaveRequestDto givenPost = json2XService.json2PostsSaveRequestDto(givenData.getBody());
        return givenPost;
    }