I am facing CORS issue as below: Access to XMLHttpRequest at ‘ https://78831182-pvgk9v0mm-wedothebest4yous-projects.vercel.app/ ’ from origin ‘ http://localhost:3002 ’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource.Understand this error (i…

The third option from that guide could work. But it’s best to use the framework’s preferred strategy when one is provided since this prevents configuration conflicts. I’d recommend configuring it the “Express” way for your project. I found some additional tips that could help in your case: Config…

Hello and welcome, @wedothebest4you ! We need to know more about your project. If you can share more info about the project and how you’re running it, that would help us understand what’s happening. A minimal reproducible example is usually the fastest way to let others see what you see so we can he…

Hi, Thank you for your response. I shall provide the requested information soon.

Please see below a MRE. server.js const express = require('express'); const app = express(); app.get('/', (req, res) => { res.send('done'); }); app.listen(4000, () => { console.log(`L@4000`); }); module.exports = app; vercel.json { "version": 2, "rewrites": [{ "source": "/(.*)", "des…

Have you tried adding the headers in your Express configuration instead of a vercel.json file? You can see an example of that discussed here: javascript - Express JS: No 'Access-Control-Allow-Origin' header is present on the requested resource - Stack Overflow Express CORS Middleware is another op…

Thank you for your time and the suggestions. Earlier on I had followed the docs over here : How can I enable CORS on Vercel? . The third option is the one which I have been trying since the first and second cases are not mine. Does it mean that this third option will not work, or the way in which I…

Thank you for the additional information, I shall take a look. Now on to this case: Are you able to check which headers are actually being applied? The server console output generated just before res.send shows the following origin. This is correct as per the CORS setting. Access-Control-Allow…

CORS issue

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wedothebest4you (Wedothebest4you) August 15, 2024, 3:22am 9

Hello, Will there by anymore help I may receive ?

CORS error - preflight request doesn’t pass access control check

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CORS issue

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