404 error for any action with asp.net core MVC

youen Published at Dev

youen

With a brand new project created from scratch (not a visual studio template), using Kestrel as server, and a very simple Startup.cs that just initializes MVC with services.AddMvc(); and app.UseMvc();, any request to a controller action returns a 404 error instead of running the action.

youen

Turns out there was a typo in my project.json.

This compiles but does not work: "Microsoft.AspNetCore.MVC": "1.0.0-rc2-final",

This works fine: "Microsoft.AspNetCore.Mvc": "1.0.0-rc2-final",

Don't see the difference? Took me quite a while to find it. The version that does not work is using uppercase MVC, while the correct version is Mvc. Why it compiles but silently fails at runtime is a mystery for me though.

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edited at2021-04-9

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404 error for any action with asp.net core MVC

404 error for any action with asp.net core MVC

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