WebSocket sends Connection: "close" instead of "upgrade" on HTTPS

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I’m using OKHTTP 3.9.1 and WebSocket always fails on https. So I printed the packet on server, and seems that for https, connection is close instead of upgrade. Same code runs well on http server (actually my https is under nginx it’s the same service on different ports). I noticed that there’s some “https upgrade problem” mentioned in okhttp-3.9.1 release notes, but not sure about the details. Any configuration needs to be done or anything please?

[artem-zinnatullin]

It looks like misconfigured Ngnix. Make sure your location entry explicitly sets Upgrade and Connection headers. Both values can be either static or dynamic depending on requirements.

See this article https://www.nginx.com/blog/websocket-nginx/ and documentation https://nginx.org/en/docs/http/websocket.html for more info.

I’m using OKHTTP 3.9.1

According to pasted headers you’re using OkHttp 3.8.0

On Mon, Feb 5, 2018, 9:37 PM Leo [e-mail] wrote:

I’ve printed headers from server.

http:

[authorization: “Bearer 3gMQkpHJ02iS/bgfMDwTtw==”, Sec-WebSocket-Version: “13”, Connection: “Upgrade”, User-Agent: “okhttp/3.8.0”, Upgrade: “websocket”, Sec-WebSocket-Key: “+0jpaxSfa1/nnBZG5/VKmw==”, Accept-Encoding: “gzip”, Host: “10.0.2.2:8080”]

https:

[X-Forwarded-For: “96.246.149.227”, Sec-WebSocket-Version: “13”, authorization: “Bearer 3gMQkpHJ02iS/bgfMDwTtw==”, Connection: “close”, Sec-WebSocket-Key: “J5q07bjo43UGwhxxxx+SHw==”, User-Agent: “okhttp/3.8.0”, X-Real-IP: “96.246.149.227”, Accept-Encoding: “gzip”, Host: “api.bxxo.live”]

Again, I’m not familiar with WebSocket so maybe I’m missing some basic things?

My Android code:

    OkHttpClient client = new OkHttpClient();
    Request request = new Request.Builder().url(Const.socketCast).build()
            .newBuilder().addHeader("authorization", UserRepository.mapToken.get("Authorization").toString()).build();
    socket = client.newWebSocket(request, listener);

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[artem-zinnatullin]

Great! Don’t forget to update OkHttp 😃