ASP.NET 8 Global exception handling with IExceptionHandler example

GlobalExceptionHandler.cs

using Microsoft.AspNetCore.Diagnostics;

namespace Samples;

public class GlobalExceptionHandler(ILogger<GlobalExceptionHandler> logger) : IExceptionHandler
{
    public ValueTask<bool> TryHandleAsync(
        HttpContext httpContext,
        Exception exception,
        CancellationToken cancellationToken)
    {
        var exceptionMessage = exception.Message;
        logger.LogError(
            "Error Message: {exceptionMessage}, Time of occurrence {time}",
            exceptionMessage, DateTime.UtcNow);

        // Return false to continue with the default behavior
        // - or - return true to signal that this exception is handled
        return ValueTask.FromResult(false);
    }
}

//Program.cs
//builder.Services.AddExceptionHandler<GlobalExceptionHandler>();
//app.UseExceptionHandler("/Error");