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I am writing a SPA using create-react-app and am using an expressjs server as my backend. For development I run my frontend test server on port 3000 and my backend expressjs test server on 3003.
I make many API calls client side using Axios so for development convenience I have defined proxy: "http://localhost:3003" in my package.json
This works fine on my laptop, but when running on my workstation I constantly get the error when accessing my app:
Proxy error: Could not proxy request /sockjs-node/487/wrst1bub/websocket from localhost:3000 to http://localhost:3003/. See https://nodejs.org/api/errors.html#errors_common_system_errors for more information (ECONNRESET).
I have no idea where this is coming from and I do not use sockjs in any capacity as far as I know. This is a console error and it does not crash my app but it is very annoying and I would like to get rid of it. Any help is greatly appreciated.
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To resolve this, one has to add “secure: false” in package. json defined in ReactJS and restart again.
To configure the proxy, you'll need to add the following line to your package. json . Then, in your React app, you can make API requests by using relative paths. For example, http://localhost:8000/api/todos becomes /api/todos .
In my case, I was using Firefox and for some reasons, it gives me the same error. I tried to use Chrome and it worked!
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