RestTemplate restTemplate = null;
InfoResponse response = null;

restTemplate = GenericObjectPoolUtils.borrowObject(RestTemplate.class);

Map<String, String> hashMap = new HashMap<>(5);
hashMap.put("appId", appId);
hashMap.put("appKey", appKey);

response = restTemplate.getForObject(
        "http://localhost:8083/api/getinfo?appId={appId}&appKey={appKey}"
        InfoResponse.class, hashMap
);