Fix CORS Error in React and Spring Boot | Solve Cross-Origin Issue in 2 Minutes (2025)
Tired of seeing the CORS policy error when calling your Spring Boot API from React? In this quick 3-minute tutorial, I’ll explain why the CORS issue occurs and how to fix Cross-Origin Resource Sharing (CORS) easily in your Spring Boot and React application.
You’ll learn:
✅ What is the CORS error and why it happens
✅ How to enable Cross-Origin requests in Spring Boot using @CrossOrigin
✅ How to solve “Access to fetch at... has been blocked by CORS policy” error
✅ How to make API calls from React to Spring Boot successfully
Whether you're working with Spring Boot REST APIs, React frontend, or different ports (like localhost:3000 and localhost:8080) — this video will help you fix the issue permanently.
👉 Watch till the end to make your frontend-backend communication work smoothly without CORS errors.
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