支付错误: <head><title>400 The SSL certificate error</
微信支付，用requestTemplate.postForObject调用接口https://api.mch.weixin.qq.com/pay/unifiedorder报错，支付错误: errcode=failure, errmsg=类型转化异常,contentType:text/html content:<html> <head><title>400 The SSL certificate error</title></head>
