org.springframework.web.client.ResourceAccessException: I/O error on POST request for "https://api.mch.weixin.qq.com/pay/orderquery": api.mch.weixin.qq.com:443 failed to respond; nested exception is org.apache.http.NoHttpResponseException: api.mch.weixin.qq.com:443 failed to respond
https://blog.csdn.net/xu962336414/article/details/99575717
接口正常的，建议自行百度HttpClient failed to respond 问题的解决方案