34.Global Exception Handling in .NET 10 | Production-Ready IExceptionHandler

What happens when an unexpected exception reaches your ASP.NET Core API? In this episode of the Clean Architecture in .NET 10 series, we build one production-ready global exception pipeline using IExceptionHandler—so every unexpected error is logged once and returned as a safe, consistent 500 response without leaking stack traces or implementation details. You will learn: • The difference between input validation, expected business failures, and unexpected exceptions • Why the global exception handler belongs in the API layer • How to design ApiError with Code, Message, and TraceId • How to implement IExceptionHandler in ASP.NET Core • How to log exceptions centrally while returning safe client responses • How to register AddExceptionHandler, AddProblemDetails, and UseExceptionHandler • How to test the complete pipeline using Swagger • Why repeating try/catch in every controller is the wrong approach CHAPTERS 00:00 Introduction 00:04 Three levels of error handling 03:17 Where the exception handler belongs 03:41 ApiError and TraceId 04:16 Build GlobalExceptionHandler 13:05 Register the exception pipeline 14:03 Create the test endpoint 15:09 Test the safe 500 response in Swagger 15:28 Why not use try/catch in every controller? TECH STACK .NET 10 ASP.NET Core Web API Clean Architecture IExceptionHandler Swagger / OpenAPI This is Episode 34 of the Clean Architecture in .NET 10 course. CONTACT ME Email: shadykhalifa.dotnetdev@gmail.com LinkedIn: / shady-khalifa-73a2b3280 If this video helped you, subscribe and continue the full Clean Architecture series. #dotnet #aspnetcore #cleanarchitecture #csharp #webapi #softwarearchitecture