onerror: (-15): Remote web server responded with bad HTTP status during handshake

[zeropoid]

Getting this error. How to fix it, if I am connecting to valid wss:// host?

[savethebeesandseeds]

This also happen to me, the server response was:

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HTTP/1.1 400 Bad Request
Date: Thu, 14 Apr 2022 23:14:31 GMT
Content-Type: text/plain
Content-Length: 20
Connection: keep-alive

Invalid request path

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The error was self describing "invalid request path".
You are connecting to a valid ws server but given the wrong path.

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My case I was trying to connect to binance:
wsclient *client = libwsclient_new("wss://stream.binance.com:9443");
but i was giving the wrong path, it work when I used instead:
wsclient *client = libwsclient_new("wss://stream.binance.com:9443/ws");

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Hope this serves,
libwsclient works fine, is path specification problem.