获取微信稳定版接口调用凭证报错 412 Precondition Failed , 是咋回事呢？ // org.springframwork.web.cleint.HttpClientErrorException: 412 Precondition Failed API: https://developers.weixin.qq.com/doc/offiaccount/Basic_Information/getStableAccessToken.html 代码如下： @Data @Builder @AllArgsConstructor @NoArgsConstructor public class AccessTokenParam { /** * 固定值：client_credential */ private String grant_type; /** * APPID */ private String appid; /** * secret */ private String secret; } AccessTokenParam accessTokenParam = AccessTokenParam.builder() .grant_type(GRANT_TYPE) .appid(appID) .secret(accountSecret) .build(); // 该行报错 org.springframwork.web.cleint.HttpClientErrorException: 412 Precondition Failed String res = restTemplate.postForObject(URL, accessTokenParam, String.class);