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Queues in Laravel 12

Simple Example of a Failed Job and Restarting the Queue

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Summary of this lesson:
- Understanding how to identify when a Laravel job fails
- Seeing what happens when code changes cause a queue job to fail (missing variable in view)
- Learning to check failed jobs in the failed_jobs database table and examining the error message
- Understanding why you need to restart queue workers after code changes

Let's talk about job failures and what to do when a job fails. I will start with a simple example of a pretty typical scenario of why a job would fail and what happens when it does.


Understanding Failed Laravel Jobs

Imagine the scenario: We have the same notification job from our previous lesson, which sends emails to admins. When we start the queue worker, it will initially be idle as there are no jobs in the queue, and it waits for new jobs to be dispatched.

After a user registers, a job is added to the queue and is processed successfully:

Now, let's introduce an error into our code by trying to use...

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