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CORS was working fine but suddenly stopped working?

Time:12-17

This is what I have in Node:

app.use(function (req, res, next) {

    // Website you wish to allow to connect
    res.setHeader('Access-Control-Allow-Origin', 'http://localhost:4200/');

    // Request methods you wish to allow
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');

    // Request headers you wish to allow
    res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');

    // Set to true if you need the website to include cookies in the requests sent
    // to the API (e.g. in case you use sessions)
    res.setHeader('Access-Control-Allow-Credentials', true);

    // Pass to next layer of middleware
    next();
});

My front-end is in Angular. Everything was working just fine, but all of a sudden I started getting CORS errors. When I check the console, I get this:

enter image description here

The Initiator Context and the Allowed Origin are exactly the same. And, as I mentioned before, I was having 0 issues until all of a sudden it decided to stop working. So I don't understand what's going on here. Any help will be appreciated.

CodePudding user response:

You can try with http://localhost:4200, without the last '/'

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