OData returns internal server error (500) when calling a controller that not exists - on iis

Question

when calling for example http://localhost/odata/test - (no TestController implemented),

Odata return internal server error instead of 404 (Not Found).

What can I do?

Answer 1

Confirm the path="*." in the web.config file (inside <system.webServer> <handlers>)

    <add name="ExtensionlessUrlHandler-Integrated-4.0" path="*." verb="*" type="System.Web.Handlers.TransferRequestHandler" preCondition="integratedMode,runtimeVersionv4.0"/>