尝试pushRaw时发生AMQP错误：未定义的索引：名称

分类：编程问答

如何解决尝试pushRaw时发生AMQP错误：未定义的索引：名称

我正在将Laravel从5.4.*升级到5.5.0。 RabbitMQ在5.4中绝对正常，但是现在当我尝试运行使用队列的功能时，它在日志中显示以下错误：

尝试pushRaw时发生AMQP错误：未定义的索引：名称

日志中没有其他信息。这是我的.env：

RABBITMQ_HOST=localhost
RABBITMQ_PORT=5672
RABBITMQ_VHOST=/
RABBITMQ_LOGIN=test
RABBITMQ_PASSWORD=test
RABBITMQ_QUEUE=reporting
RABBITMQ_JOB_QUEUE=dev

这是我的queue.php中的配置：

'worker' => [
    'driver' => 'rabbitmq','factory_class' => Enqueue\AmqpLib\AmqpConnectionFactory::class,'host' => env('RABBITMQ_HOST'),'port' => env('RABBITMQ_PORT'),'vhost' => env('RABBITMQ_VHOST'),'login' => env('RABBITMQ_LOGIN'),'password' => env('RABBITMQ_PASSWORD'),'queue' => env('RABBITMQ_JOB_QUEUE'),'options' => [
        'exchange' => [
            'name' => env('RABBITMQ_EXCHANGE_NAME',null),/*
            * Determine if exchange should be created if it does not exist.
            */
            'declare' => env('RABBITMQ_EXCHANGE_DECLARE',true),/*
            * Read more about possible values at https://www.rabbitmq.com/tutorials/amqp-concepts.html
            */
            'type' => env('RABBITMQ_EXCHANGE_TYPE',\Interop\Amqp\AmqpTopic::TYPE_DIRECT),'passive' => env('RABBITMQ_EXCHANGE_PASSIVE',false),'durable' => env('RABBITMQ_EXCHANGE_DURABLE','auto_delete' => env('RABBITMQ_EXCHANGE_AUTODELETE','arguments' => env('RABBITMQ_EXCHANGE_ARGUMENTS'),],'queue' => [
            /*
            * Determine if queue should be created if it does not exist.
            */
            'declare' => env('RABBITMQ_QUEUE_DECLARE',/*
            * Determine if queue should be binded to the exchange created.
            */
            'bind' => env('RABBITMQ_QUEUE_DECLARE_BIND',/*
            * Read more about possible values at https://www.rabbitmq.com/tutorials/amqp-concepts.html
            */
            'passive' => env('RABBITMQ_QUEUE_PASSIVE','durable' => env('RABBITMQ_QUEUE_DURABLE','exclusive' => env('RABBITMQ_QUEUE_EXCLUSIVE','auto_delete' => env('RABBITMQ_QUEUE_AUTODELETE','arguments' => env('RABBITMQ_QUEUE_ARGUMENTS'),

这是RabbitMQ中composer.json的版本：

"vladimir-yuldashev/laravel-queue-rabbitmq": "6.0.0",

我的Laravel版本是5.5.0。我要放入队列的任务是：

\Mail::to($user->email)->queue(new MailPriceRequest($priceRequests));

这是怎么回事？有帮助吗？

编辑：

这是MailPriceRequest类：

class MailPriceRequest extends Mailable implements ShouldQueue
{
    use Queueable,SerializesModels;

    /**
     * @var
     */
    public $title;

    /**
     * @var
     */
    public $items;

    /**
     * @var array
     */
    public $groupedPriceRequests = [];

    /**
     * @var
     */
    public $grouped;

    /**
     * @var string
     */
    public $groupName = '';

    /**
     * @var
     */
    public $emailSubject;

    /**
     * MailPriceRequest constructor.
     * @param $transportOrders
     */
    public function __construct($priceRequests)
    {
        $this->items = $priceRequests;
    }

    /**
     * Build the message.
     *
     * @return $this
     */
    public function build()
    {
        $this->setPriceRequests();
        $this->setTitle();
        $this->setGrouped();
        $this->setSubject();
        return $this->subject($this->emailSubject)->view('emails.price-requests.overview');
    }

    /**
     * @return $this
     */
    public function setSubject()
    {
        $this->emailSubject = $this->getOrderNumber();

        return $this;
    }

    /**
     * @return $this
     */
    public function setGrouped()
    {
        $this->grouped = $this->groupedPriceRequests;

        return $this;
    }

    /**
     * @return $this
     */
    public function setTitle()
    {
        $this->title = 'title';

        return $this;
    }

    /**
     * @return $this
     */
    public function setPriceRequests()
    {
        $this->groupByCarrier();

        return $this;
    }

    /**
     * @return $this
     */
    public function groupByCarrier()
    {
        $transformer = \App::make(PriceRequestMailTransformer::class);
        foreach ($this->items as $priceRequest) {
            if (!array_key_exists($priceRequest->carrier_name,$this->groupedPriceRequests)) {
                $this->groupedPriceRequests[$priceRequest->carrier_name] = [
                    'price_requests' => []
                ];
            }
            $transformed = $transformer->transform($priceRequest);

            $this->groupedPriceRequests[$priceRequest->carrier_name]['price_requests'][] = $transformed;
        }

        return $this;
    }

    /**
     * @return string|null
     */
    private function getOrderNumber()
    {
        if (count($this->items) > 1) {
            return ' - ' . $this->items->first()->order_number . ' - and more references';
        }

        if (count($this->items) == 1) {
            return ' - ' . $this->items->first()->order_number;
        }

        return null;
    }
}

解决方法

有关rabbitmq配置的文档，在Laravel .env中设置如下； 

RABBITMQ_HOST=localhost
RABBITMQ_PORT=5672
RABBITMQ_VHOST=/
RABBITMQ_LOGIN=test
RABBITMQ_PASSWORD=test
RABBITMQ_QUEUE=reporting
RABBITMQ_JOB_QUEUE=dev
# Exchange name is a required field. 
RABBITMQ_EXCHANGE_NAME=yourexchangename

在queue.php文件中设置交换名称env变量。

'worker' => [
    'driver' => 'rabbitmq','factory_class' => Enqueue\AmqpLib\AmqpConnectionFactory::class,'host' => env('RABBITMQ_HOST'),'port' => env('RABBITMQ_PORT'),'vhost' => env('RABBITMQ_VHOST'),'login' => env('RABBITMQ_LOGIN'),'password' => env('RABBITMQ_PASSWORD'),'queue' => env('RABBITMQ_JOB_QUEUE'),'options' => [
        'exchange' => [
            // Exchange name is a required field. 
            'name' => env('RABBITMQ_EXCHANGE_NAME',null),/*
            * Determine if exchange should be created if it does not exist.
            */
            'declare' => env('RABBITMQ_EXCHANGE_DECLARE',true),/*
            * Read more about possible values at https://www.rabbitmq.com/tutorials/amqp-concepts.html
            */
            'type' => env('RABBITMQ_EXCHANGE_TYPE',\Interop\Amqp\AmqpTopic::TYPE_DIRECT),'passive' => env('RABBITMQ_EXCHANGE_PASSIVE',false),'durable' => env('RABBITMQ_EXCHANGE_DURABLE','auto_delete' => env('RABBITMQ_EXCHANGE_AUTODELETE','arguments' => env('RABBITMQ_EXCHANGE_ARGUMENTS'),],'queue' => [
            'name' => env('RABBITMQ_EXCHANGE_NAME',env('RABBITMQ_QUEUE')),/*
            * Determine if queue should be created if it does not exist.
            */
            'declare' => env('RABBITMQ_QUEUE_DECLARE',/*
            * Determine if queue should be binded to the exchange created.
            */
            'bind' => env('RABBITMQ_QUEUE_DECLARE_BIND',/*
            * Read more about possible values at https://www.rabbitmq.com/tutorials/amqp-concepts.html
            */
            'passive' => env('RABBITMQ_QUEUE_PASSIVE','durable' => env('RABBITMQ_QUEUE_DURABLE','exclusive' => env('RABBITMQ_QUEUE_EXCLUSIVE','auto_delete' => env('RABBITMQ_QUEUE_AUTODELETE','arguments' => env('RABBITMQ_QUEUE_ARGUMENTS'),

为Laravel定义Rabbitmq驱动程序的另一个示例

'connections' => [
    // ...
    'rabbitmq' => [

        'driver' => 'rabbitmq',/*
         * Set to "horizon" if you wish to use Laravel Horizon.
         */
        'worker' => env('RABBITMQ_WORKER','default'),'dsn' => env('RABBITMQ_DSN',/*
         * Could be one a class that implements \Interop\Amqp\AmqpConnectionFactory for example:
         *  - \EnqueueAmqpExt\AmqpConnectionFactory if you install enqueue/amqp-ext
         *  - \EnqueueAmqpLib\AmqpConnectionFactory if you install enqueue/amqp-lib
         *  - \EnqueueAmqpBunny\AmqpConnectionFactory if you install enqueue/amqp-bunny
         */

        'factory_class' => Enqueue\AmqpLib\AmqpConnectionFactory::class,'host' => env('RABBITMQ_HOST','127.0.0.1'),'port' => env('RABBITMQ_PORT',5672),'vhost' => env('RABBITMQ_VHOST','/'),'login' => env('RABBITMQ_LOGIN','guest'),'password' => env('RABBITMQ_PASSWORD','queue' => env('RABBITMQ_QUEUE','options' => [

            'exchange' => [

                'name' => env('RABBITMQ_EXCHANGE_NAME'),/*
                 * Determine if exchange should be created if it does not exist.
                 */

                'declare' => env('RABBITMQ_EXCHANGE_DECLARE',/*
                 * Read more about possible values at https://www.rabbitmq.com/tutorials/amqp-concepts.html
                 */

                'type' => env('RABBITMQ_EXCHANGE_TYPE','queue' => [

                /*
                 * Determine if queue should be created if it does not exist.
                 */

                'declare' => env('RABBITMQ_QUEUE_DECLARE',/*
                 * Determine if queue should be binded to the exchange created.
                 */

                'bind' => env('RABBITMQ_QUEUE_DECLARE_BIND',/*
                 * Read more about possible values at https://www.rabbitmq.com/tutorials/amqp-concepts.html
                 */

                'passive' => env('RABBITMQ_QUEUE_PASSIVE',/*
         * Determine the number of seconds to sleep if there's an error communicating with rabbitmq
         * If set to false,it'll throw an exception rather than doing the sleep for X seconds.
         */

        'sleep_on_error' => env('RABBITMQ_ERROR_SLEEP',5),/*
         * Optional SSL params if an SSL connection is used
         * Using an SSL connection will also require to configure your RabbitMQ to enable SSL. More details can be founds here: https://www.rabbitmq.com/ssl.html
         */

        'ssl_params' => [
            'ssl_on' => env('RABBITMQ_SSL','cafile' => env('RABBITMQ_SSL_CAFILE','local_cert' => env('RABBITMQ_SSL_LOCALCERT','local_key' => env('RABBITMQ_SSL_LOCALKEY','verify_peer' => env('RABBITMQ_SSL_VERIFY_PEER','passphrase' => env('RABBITMQ_SSL_PASSPHRASE',// ...    
],
,

我找到了解决方法。

在[options][queue]数组中添加了以下行：

'name' => env('RABBITMQ_EXCHANGE_NAME',env('RABBITMQ_QUEUE'))

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