I am getting 204 error after getting 200 response. What to do?

Hello Parthib,

preflighted request. The main goal is to determinate whether the actual request is safe to send. Cross-site requests are preflighted since they may have implications to user data.

A CORS preflight request is a CORS request that checks to see if the CORS protocol is understood.

It is an OPTIONS request using two HTTP request headers: Access-Control-Request-Method and Access-Control-Request-Headers, and the Origin header.

A preflight request is automatically issued by a browser when needed.

IF your Startup.cs file contain below line than comment it

//app.UseHttpsRedirection(); <-- Commented this line

Please refer below link for the solution.

https://stackoverflow.com/questions/61279426/problems-with-cors-response-to-preflight-in-dotnet-core-3-1

Thanks

Naimish

2 Replies

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Naimish Makwana3y ago
Accepted answer
Hello Parthib,

preflighted request. The main goal is to determinate whether the actual request is safe to send. Cross-site requests are preflighted since they may have implications to user data.

A CORS preflight request is a CORS request that checks to see if the CORS protocol is understood.

It is an OPTIONS request using two HTTP request headers: Access-Control-Request-Method and Access-Control-Request-Headers, and the Origin header.

A preflight request is automatically issued by a browser when needed.

IF your Startup.cs file contain below line than comment it
```
//app.UseHttpsRedirection(); <-- Commented this line
```
Please refer below link for the solution.

https://stackoverflow.com/questions/61279426/problems-with-cors-response-to-preflight-in-dotnet-core-3-1

Thanks

Naimish
Pasang Tamang3y ago
Hi,

It looks you are trying to navigate page? Please refer to below link to understand about 204

https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/204.

Regards,
Pasang