报错日志信息如下：

[INFO][2021-04-12 06:46:28][org.apache.http.impl.execchain.RetryExec]I/O exception (java.net.SocketException) caught when processing request to {s}->https://api.mch.weixin.qq.com:443: Connection reset

[INFO][2021-04-12 06:46:28][org.apache.http.impl.execchain.RetryExec]Retrying request to {s}->https://api.mch.weixin.qq.com:443

[INFO][2021-04-12 06:46:28][org.apache.http.impl.execchain.RetryExec]I/O exception (java.net.SocketException) caught when processing request to {s}->https://api.mch.weixin.qq.com:443: Connection reset

[INFO][2021-04-12 06:46:28][org.apache.http.impl.execchain.RetryExec]Retrying request to {s}->https://api.mch.weixin.qq.com:443

[INFO][2021-04-12 06:46:28][org.apache.http.impl.execchain.RetryExec]I/O exception (java.net.SocketException) caught when processing request to {s}->https://api.mch.weixin.qq.com:443: Connection reset

[INFO][2021-04-12 06:46:28][org.apache.http.impl.execchain.RetryExec]Retrying request to {s}->https://api.mch.weixin.qq.com:443

从报错“Connection reset” 现象来看，是由于客户端向服务器发请求，请求还没有完成，服务器就中断了连接。这个问题近期出现概率比较大，达到了10%，请微信团队提供支持。