2023-12-25 06:29:23.871 [http-nio-8400-exec-10] DEBUG o.a.h.impl.execchain.MainClientExec - Connection discarded
org.springframework.web.client.ResourceAccessException: I/O error on POST request for "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds": 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
	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785)
	at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:660)

Caused by: org.apache.http.NoHttpResponseException: api.mch.weixin.qq.com:443 failed to respond
	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:141)
	at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
	at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
	at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
	at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:157)
	at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
	at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
	at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:272)
	at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186)
	at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
	at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
	at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
	at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
	at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:87)
	at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48)
	at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66)
	at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776)

以上报错内容是我调用退款接口时的报错，偶现。因为这个问题存在，导致用户退款失败。

请问这个问题怎么解决