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[9.x] Fix unique locking on broadcast events #43516

merged 7 commits into from Aug 3, 2022


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@DougSisk DougSisk commented Aug 2, 2022

This is a fix for #43416. The lock was not being acquired because the broadcast manager was pushing straight to the queue and not using the dispatcher. Acquiring the lock within the queue method seems like the best option, as rewriting to use a dispatcher seems like it could cause a ton of headaches.

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taylorotwell commented Aug 2, 2022

Now uniqueVia is not respected right?

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DougSisk commented Aug 2, 2022

I think we can eliminate the UniqueBroadcastEvent, as it's not needed since we can generate the lock key from the event. I think there's also a potential issue with having uniqueVia be a property, as I believe the cache repository can't be serialized.

@taylorotwell taylorotwell merged commit 183d38f into laravel:9.x Aug 3, 2022
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Ken-vdE pushed a commit to Ken-vdE/framework that referenced this pull request Aug 9, 2022
* Fix broadcasting locks

* Update BroadcastManager.php

* Respect event uniqueVia

* Remove UniqueBroadcastEvent, use event instead

* clean up logic

* formatting

* formatting

Co-authored-by: Taylor Otwell <>
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2 participants