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Articles tagged with #kestrel
You upgraded a service, deployed it, and a single endpoint started throwing this: System.InvalidOperationException: Synchronous operations are disallowed. Call ReadAsync or set AllowSynchronousIO to t
If you have hit System.InvalidOperationException: StatusCode cannot be set because the response has already started — or the variant Headers are read-only, response has already started — you are looki
Getting a 413 Request Entity Too Large error in your ASP.NET Core API can be maddening — you raise the limit in one place, reload the app, and the error is still there. That is because this error does
Choosing the wrong ASP.NET Core hosting model in production is one of those decisions that seems trivial until it isn't. Teams routinely leave performance on the table, misconfigure reverse proxies, o
HTTP/3 and QUIC support in ASP.NET Core has been production-ready since .NET 9, yet most enterprise .NET teams haven't enabled it—and many aren't sure they should. The question isn't whether HTTP/3 is
