Access to XMLHttpRequest at 'http://localhost:3000/home/crm-auth' from origin 'http://localhost:4200' has been blocked by CORS policy: Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response. code example
Example 1: origin 'http://localhost:4200' has been blocked by CORS policy
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Headers': 'Content-Type',
'Access-Control-Allow-Methods': 'GET,POST,OPTIONS,DELETE,PUT',
'Authorization': 'Bearer key',
Example 2: from origin 'http://localhost:4200' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
@CrossOrigin(origins = "http://localhost:4200")
@GetMapping("/yourPath")