IronQueue sending jobs twice

Question

I am using Laravel 4.2 and IronMQ2. For some reason, it's randomly sending jobs twice. In my mailer, I have:

Queue::push('MailController@fire', ['email' => $email, 'subject' => $subject, 'view' => $view, 'data' => $data, 'attachment' => $attachment]);

I can tell it's sending multiple times by logging inside of my MailController, right above the $job->delete() call:

[2016-03-22 06:08:02] production.INFO: [MAIL LOGGING] Logging for job 6264815783870079319 [] [] - Duplicate 1
[2016-03-22 06:08:02] production.INFO: [MAIL LOGGING] Logging for job 6264815783870079319 [] [] - Duplicate 1
[2016-03-22 06:08:03] production.INFO: [MAIL LOGGING] Logging for job 6264815783870079316 [] [] - Duplicate 2
[2016-03-22 06:08:03] production.INFO: [MAIL LOGGING] Finish job for 6264815783870079319  [] [] - End duplicate 1
[2016-03-22 06:08:03] production.INFO: [MAIL LOGGING] Logging for job 6264815783870079316 [] [] - Duplicate 3
[2016-03-22 06:08:03] production.INFO: [MAIL LOGGING] Finish job for 6264815783870079316  [] [] - End duplicate 2
[2016-03-22 06:08:04] production.INFO: [MAIL LOGGING] Finish job for 6264815783870079316  [] [] - End duplicate 3
[2016-03-22 06:12:47] production.INFO: [MAIL LOGGING] Logging for job 6264815783870079319 [] [] - Duplicate 1
[2016-03-22 06:12:48] production.INFO: [MAIL LOGGING] Finish job for 6264815783870079319  [] [] - End duplicate 1
[2016-03-22 06:48:52] production.INFO: [MAIL LOGGING] Logging for job 6264826778986309904 [] [] - Duplicate 4
[2016-03-22 06:48:52] production.INFO: [MAIL LOGGING] Logging for job 6264826778986309904 [] [] - Duplicate 4
[2016-03-22 06:48:52] production.INFO: [MAIL LOGGING] Logging for job 6264826778986309902 [] [] - Duplicate 5
[2016-03-22 06:48:53] production.INFO: [MAIL LOGGING] Finish job for 6264826778986309902  [] [] - End Duplicate 5
[2016-03-22 06:48:53] production.INFO: [MAIL LOGGING] Finish job for 6264826778986309904  [] [] - End duplicate 4
[2016-03-22 07:54:12] production.INFO: [MAIL LOGGING] Logging for job 6264843610963505825 [] [] - Not duplicated
[2016-03-22 07:54:12] production.INFO: [MAIL LOGGING] Logging for job 6264843142812137221 [] [] - Not duplicated
[2016-03-22 07:54:12] production.INFO: [MAIL LOGGING] Finish job for 6264843610963505825  [] []
[2016-03-22 07:54:13] production.INFO: [MAIL LOGGING] Finish job for 6264843142812137221  [] []

As you can see, it's not all jobs, and the ones that are duplicated are done in the same second. Is there a way I can prevent this from happening? It's causing emails to go out multiple times.

score 0 · Accepted Answer · answered Mar 30 '16 at 11:59

One of the options is to move to IronMQ V3. This is updated queue with stability and performance enhancements.

Since IronMQ v2 is hardcoded in Laravel 4.2 you need to do the following:

Update IronMQ version in composer.json: "iron-io/iron_mq": "4.*";
Update the host in app/config/queue.php, i.e. mq-aws-us-east-1-1.iron.io instead of mq-aws-us-east-1.iron.io (mq-aws-eu-west-1-1.iron.io instead of mq-aws-eu-west-1.iron.io);
Migrate your push_queue to appropriate V3 cluster (us-east or eu-west);
In vendor\laravel\framework\src\Illuminate\Queue directory replace the IronQueue.php, IronJob.php and IronConnector.php files with shared by me:
https://onedrive.live.com/redir?resid=4DBE0885AEDA52FD!106&authkey=!AIr18HPOvqv6DE4&ithint=file%2czip

Thanks, I was afraid of that. I don't want to modify anything in the vendor directory since that would require keeping track of it any time those files change on a composer update. We're eventually going to move to Laravel 5, so we'll wait until then to move to V3. In the meantime, I'm tracking jobs to ignore duplicate sends. — aynber, Apr 04 '16 at 13:24

IronQueue sending jobs twice

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