Question 1

How do I set up GlobalExceptionHandler.NET in an ASP.NET Core API?

Accepted Answer

Install the NuGet package via 'dotnet add package GlobalExceptionHandler', then configure it in the Startup.cs Configure method using app.UseGlobalExceptionHandler with mappings for exceptions, as shown in the bare bones setup. Remember to remove any existing app.UseExceptionHandler calls to avoid conflicts.

Question 2

GlobalExceptionHandler.NET or using try-catch blocks in controllers?

Accepted Answer

GlobalExceptionHandler.NET centralizes error handling for consistency and reduced boilerplate, ideal for APIs with uniform error responses. Try-catch blocks are better for actions needing unique, context-specific error handling, but can lead to duplicated code.

Question 3

How to log exceptions with GlobalExceptionHandler.NET?

Accepted Answer

Use the OnError hook in the configuration to capture exceptions and log them to your preferred aggregator. For example, x.OnError((exception, httpContext) => { _logger.Error(exception.Message); return Task.CompletedTask; }), as detailed in the logging section of the README.

Question 4

Can GlobalExceptionHandler.NET handle validation errors from ModelState?

Accepted Answer

The library focuses on unhandled exceptions, not validation errors. You'd need to map specific exception types (e.g., custom validation exceptions) or combine it with other middleware like UseExceptionHandler for ModelState errors, which isn't directly supported out of the box.

Question 5

How to enable debug mode to see full exception details?

Accepted Answer

Set DebugMode to true in the configuration (e.g., x.DebugMode = true), but this is disabled by default and should only be used in development to avoid exposing sensitive information in production, as warned in the README.

Question 6

Is GlobalExceptionHandler.NET compatible with .NET 6 minimal APIs?

Accepted Answer

The library targets the ASP.NET Core pipeline and may work, but the README examples use Startup.cs from older versions. For minimal APIs, you might need to adapt the configuration or check for updates, as it's not explicitly documented for the newer patterns.

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