Last Updated on July 22, 2023

I was doing development with Laravel Queues and noticed that I am having the following errors.

• Class "App\Jobs\DB" not found
• Class "App\Jobs\Log" not found

To solve the above error, I added the following code to the top of my Jobs file for it to reference the correct DB and Log class.

use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

But even with the additional code, I am still getting the same error.

Actually, even if I change my code inside the Queue Job file, the changes are not reflected in my running Queue Worker.

Solving the Queue Job error

As it turns out, running the Queue Worker with the command php artisan queue:work caches the existing jobs in memory. So if you change the code of your Job it will not reflect on the current running Jobs.

For development, it’s annoying to keep on stopping and starting the Queue Worker whenever there are changes to the code. What Laravel recommends is using the command php artisan queue:listen.

php artisan queue:listen

This command will listen to the queue and execute the jobs that are available, but does not cache the jobs in memory.

php artisan queue:listen is not as efficient php artisan queue:work but it really helps during the development stage.

For production, use the php artisan queue:work command. But if there are updates in your code, use this command to restart the queue worker.

php artisan queue:restart

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TL;DR

For development, do not use this command.

php artisan queue:work

Use this instead.

php artisan queue:listen

In production, use this command.

php artisan queue:work

Whenever you have changes in your Queue Job’s code, run the following command.

php artisan: queue:restart

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Note: I’ve tried this on Laravel 9 and Laravel 10. It’s possible that this is the same solution for earlier versions of Laravel. Let me know in the comments below.