Laravel 11 - how to call the old 'Handler.php' class from app.php - withExceptions

Question

I have recently created a new project in Laravel 11 and can not get my custom error handling class to work. I have a class I use throughout all my Larvael projects (laravel 10). I want to use this class in Laravel 11 to process all my errors, but it seems the new version relies on the withExceptions method in app.php

->withExceptions(function (Exceptions $exceptions) {

Does anyone know how I can get the withExceptions class to still use this (or any) external class for handling


use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;

class Handler extends ExceptionHandler {

}

I don't use Laravel, but have you seen the discussion here: github.com/laravel/framework/discussions/50902 — Chris Haas
– Chris Haas, Commented Mar 17 at 19:05

Anik Chakrabortty · Accepted Answer · 2025-03-19 21:45:35Z

2

In Laravel 11, exception handling with custom classes registration has changed. To use your custom handler:

Create your custom handler:

namespace App\Exceptions;

use Illuminate\Foundation\Exceptions\Handler as ExceptionHandler;
use Throwable;

class CustomHandler extends ExceptionHandler
{
    public function render($request, Throwable $e)
    {
        // Custom logic
        return response()->json(['error' => $e->getMessage()], 500);
    }
}

Register it in bootstrap/app.php:

$app->singleton( Illuminate\Contracts\Debug\ExceptionHandler::class, App\Exceptions\CustomHandler::class );

You can inject external classes into CustomHandler for additional processing.

More details:

edited Mar 19 at 21:45

answered Mar 17 at 21:13

Anik Chakrabortty

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4 Comments

Jon Menard Mar 18 at 18:22

I tried this but I get - Error: Call to undefined method Illuminate\Foundation\Configuration\Exceptions::handler() in file /var/www/html/appName/bootstrap/app.php on line 71

Anik Chakrabortty Mar 18 at 19:42

Ah I see, they removed handler as well. Can you please try with singleton and see if it works? $app->singleton( Illuminate\Contracts\Debug\ExceptionHandler::class, App\Exceptions\CustomHandler::class );

Jon Menard Mar 19 at 14:16

Thanks, that’s worked. Do you want to edit your answer to include then singleton and then I’ll mark it correct :)

Anik Chakrabortty Mar 19 at 21:46

Updated the answer. :)

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