CORS blocking #5032

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shreyakhare013 asked this question in Q&A

shreyakhare013
May 23, 2024

Access to XMLHttpRequest at 'http://localhost:8080/socket.io/?EIO=4&transport=polling&t=O-aH4gt' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
when ever i send any mssg in my chat-app this error is showing up

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