Fixing CORS Issue: Cross-Origin Request Blocked on AWS Elastic Beanstalk with Angular
Error: CORS Missing Allow Origin - Cross-Origin Request Blocked
When deploying an Angular application to AWS Elastic Beanstalk, you might encounter a CORS (Cross-Origin Resource Sharing) error that blocks requests to your API. This video explains how to troubleshoot and resolve the CORS issue that occurs due to missing Allow-Origin headers when integrating with an AWS backend.
The error message usually appears as:
"Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource. Reason: CORS Request did not succeed, Status Code: (null)."
In this video, we’ll cover:
Understanding CORS and the Same-Origin Policy
How to debug and fix the CORS header missing issue
Setting up the Allow-Origin header on AWS Elastic Beanstalk for successful Angular deployment
Tips to resolve common Angular deployment errors like Status Code: 405
Authentication Error: CORS header missing. Status Code: 405.
Error Message: "Cross-Origin Request Blocked"
Remote resource not accessible due to Same-Origin Policy.
Step-by-step guidance to integrate Angular with AWS successfully and resolve CORS issues!