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Discussion on: Websockets with React & Express [Part-1]

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dmikester1 profile image
Mike Dodge

For some reason the test connection in Weasel is not working for me. I keep getting "The Connection is Abruptly Closed or Couldn't be Opened ! CONNECTION CLOSED!" Does the URL and the protocol need to have WS in it? Or just the URL? Right now I have URL: ws://localhost:3001 and protocol: ws.

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Kailash Sankar Author

Protocol is optional, it's only needed if you are taking decisions on the server based on it's value.

Can you try connecting to wss://echo.websocket.org, it's an echo server and would return the messages posted to it. If this works, then the issue is on your localhost websocket server setup.
websocket.org/echo.html

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dmikester1 profile image
Mike Dodge

Yeah, connecting to that URL works fine. I'll wait for the fifth article and compare my code to your's.

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dmikester1 profile image
Mike Dodge

Maybe you can see something wrong. This is main file that kicks off the server. dev-to-uploads.s3.amazonaws.com/i/...

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ksankar profile image
Kailash Sankar Author

I didn't get it at first, but after staring at it for a while I think the reason is using
app.listen(port) instead of server.listen(port);
Never realised before but found a good post about it at StackOverflow

I still have some cleaning up to do on the code, here's what I've done till now on server

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dmikester1 profile image
Mike Dodge

That was definitely the issue! Thank you so much!