java.io.IOException:连接上的流意外结束? [英] java.io.IOException: unexpected end of stream on Connection?

问题描述

调用我们的内部Web服务之一似乎出现以下错误:

Calling one of our in-house web services seems to be giving the following error:

java.io.IOException: unexpected end of stream on Connection{webservicessandbox.xxx.com:443, proxy=DIRECT@ hostAddress=174.143.185.13 cipherSuite=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA protocol=http/1.1} (recycle count=0)

根据我在其他地方看到的内容，这被认为是服务器问题，但是当在浏览器或IOS中调用WS时，我们没有看到此问题.我同时使用了OkHTTP和手动HTTPUrlConnection实现，但似乎没有任何区别.有人有什么想法吗?

From what I've seen elsewhere, this is being pointed to as a server issue, but we're not seeing this problem when the WS is being called in browser or in IOS. I've used both OkHTTP and a manual HTTPUrlConnection implementation and it hasn't seemed to make any difference. Does anyone have any ideas?

OKHttp:
            OkHttpClient client = new OkHttpClient();
            Request request = new Request.Builder()
                    .addHeader("Authorization", "Bearer " + apiToken)
                    .addHeader("content-type", "application/json")
                    .url(uri)
                    .build();
HTTPURLConnection:
            URL myURL = new URL(uri);
            HttpsURLConnection myConnection = (HttpsURLConnection) myURL.openConnection();
            myConnection.setConnectTimeout(TIMEOUT_MILLISEC);
            myConnection.setDoOutput(false);
            myConnection.setRequestMethod("GET");
            myConnection.setRequestProperty("Authorization", "Bearer " + apiToken);
            myConnection.setRequestProperty("content-type", "application/json");
            int respCode = myConnection.getResponseCode();

推荐答案

(在我看来)请尝试以下可能的解决方案:

Please try the potential solutions (in my opinion) below:

1-尝试如下使用retryOnConnectionFailure(true):

OkHttpClient client = new OkHttpClient.Builder()
    .retryOnConnectionFailure(true)
    .build();

2-尝试添加:request.addHeader("Connection","close")(大多数情况下，这是解决方案，尊重Kartik的回答.)

2- Try to add: request.addHeader("Connection","close") (most cases this is the solution, respecting to Kartik's answer.)

Request request = new Request.Builder()
                    .addHeader("Authorization", "Bearer " + apiToken)
                    .addHeader("content-type", "application/json")
                    .addHeader("Connection","close")
                    .url(uri)
                    .build();

3-请增加服务器的响应时间(将其设置为尽可能高的值)，然后重试.

3- Please increase the response time of the server (set it as high as possible) and try again.

另请参阅: OkHTTP Websocket:Connection上的蒸汽意外终止

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