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  4. Short Walks: 406 Error While Creating a .NET Core API

Short Walks: 406 Error While Creating a .NET Core API

If you've come across this situation with .NET Core, then we have a solution for you. Read on to learn more!

Paul Michaels user avatar by
Paul Michaels
·
Jan. 10, 19 · Code Snippet
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I'm afraid this is another of those: "What has AddMvc() ever done for us" posts. Today, I was creating a brand new .NET Core 2.1 API and, instead of calling AddMvc in ConfigureServices, I instead used AddMvcCore:

public void ConfigureServices(IServiceCollection services)
{
    services.AddMvcCore();

When I tried to access the API, I got a 406 error. The fix is very simple (and one that using AddMvc()  does for you:


public void ConfigureServices(IServiceCollection services)
{
    services.AddMvcCore()
            .AddJsonFormatters();

API

Published at DZone with permission of Paul Michaels, DZone MVB. See the original article here.

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