Laravel 5 - Queued Command throwing errors in handle()

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I am trying to make a queued command that collects a listing of recipients and sends an email. The command has four methods - the constructor, handle(), getRecipients(), and sendEmail().

After the constructor does its thing, the handle() method should be called. In turn it should trigger getRecipients() which, when complete, should sendEmail(). I have found that if I place getRecipients() inside the handle() method, it is never called. If I place it in the constructor, it works fine.

I also noticed these errors in production:

exception 'ErrorException' with message 'unserialize(): Function spl_autoload_call() hasn't defined the class it was called for' 
in /home/forge/default/vendor/laravel/framework/src/Illuminate/Queue/CallQueuedHandler.php:36

exception 'ErrorException' with message 'Error while sending STMT_PREPARE packet. PID=13191' 
in /home/forge/default/vendor/laravel/framework/src/Illuminate/Database/Connection.php:358

Here is my code, some attributes and code omitted for space:

<?php namespace App\Commands;

use App\Commands\Command;

use App\User;
use Log;
use Mail;
use Illuminate\Queue\SerializesModels;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Contracts\Bus\SelfHandling;
use Illuminate\Contracts\Queue\ShouldBeQueued;

/**
 * Class SendGroupEmail
 * @package App\Commands
 */
class SendGroupEmail extends Command implements SelfHandling, ShouldBeQueued {

    use InteractsWithQueue, SerializesModels;



    /**
     * Create a new command instance.
     *
     * @param User $user
     * @param $allActive
     * @param array $groupRecipients
     * @param array $agencyRecipients
     * @param string $subject
     * @param string $message
     * @param null $attachment
     */
    public function __construct(User $user, $allActive, array $groupRecipients, array $agencyRecipients, $subject, $message, $attachment = null)
    {
        $this->user = $user;
        $this->subject = trim(ucwords($subject));
        $this->message = $message;
        $this->attachment = $attachment;
        $this->groupRecipients = $groupRecipients;
        $this->agencyRecipients = $agencyRecipients;
        $this->allActive = $allActive;
    }

    /**
     * Execute the command.
     *
     * @return void
     */
    public function handle()
    {
        $this->getRecipients();
    }

    /**
     * Get Recipient Emails
     */
    private function getRecipients()
    {
        // Get the recipients...

        $this->sendEmail();
    }

    /**
     * Send the email!
     */
    private function sendEmail()
    {
        // Send the email....
    }
}

asked 37 secs ago

NightMICU

1,616

Laravel 5 - Queued Command throwing errors in handle()