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400 Error in ASP.NET Core Project because of 8 KB cookie limit in Angular

Praveen_Kumar_M's avatar
Praveen_Kumar_M
Icon for Microsoft rankMicrosoft
Aug 24, 2019
Recently, I came across an interesting problem. Whenever we run my ASP.NET Core application in Development environment, I get the below exception.   Details about the setup: The below template ...
Updated Aug 24, 2019
Version 3.0
XWIKO's avatar
XWIKO
Copper Contributor
Apr 15, 2020

I had the problem when trying out my VS2019 React template .NET core 3.1 using Keycloak as OP.

It also went wrong with trying to proxy, while it worked fine the other day.

 

All of the sudden it could not start anymore. Even creating a new React template app did not start.

I thought it had to do with a .NET Core update as stated here. But no update was done.

https://stackoverflow.com/questions/56777995/asp-net-core-3-0-react-app-errors-failed-to-proxy

 

Reading this article I just deleted some cookies.

And now the projects and fresh templates work again.

So now I have to look into slimming down my cookies.

 

Thanks. Good find.