错误:您无法创建非活动范围的服务("templating.helper.assets")("请求")

Question

我收到以下错误,

  [Twig_Error_Runtime]                                                                                                                                                                                     
  An exception has been thrown during the rendering of a template ("You cannot create a    service ("templating.helper.assets") of an inactive scope ("request").") in "AcmeMessagingBundle:Comment:email.html.twig".

我正在从symfony 2自定义控制台命令渲染twig模板

下面是我的服务类,它是事件订阅者,我通过symfony console命令触发onCommentAddEmail事件来发送电子邮件,

class NotificationSubscriber implements EventSubscriberInterface
{
     private $container;

    public function __construct(ContainerInterface $container)
    {
        $this->container = $container;
    }


    public static function getSubscribedEvents()
    {
         return array(
            'comment.add'     => array('onCommentAddEmail', 0),
         );
     }

     public function onCommentAddEmail(CommentAddEvent $event)
     {
              ...................


             $body = $this->container->get('templating')->render(
            'AcmeMessagingBundle:Comment:email.html.twig',
                array('template' => $template)
             );

     .......


    }

}

$ body传递给swiftmailer发送电子邮件.

这是我的服务定义,

ACME\MessagingBundle \用户\ NotificationSubscriber

<services>
    <service id="notification_subscriber" class="%notification_subscriber.class%">
        <argument type="service" id="service_container" />
        <tag name="kernel.event_subscriber" />
    </service>
</services>

下面的帖子说问题在symfony 2.1中得到修复,但我仍然收到错误,

 https://github.com/symfony/symfony/issues/4514

我已经参考了http://symfony.com/doc/current/cookbook/service_container/scopes.html,我已将整个容器传递给我的服务.

Answer 1

不确定这是否是最好的方式,但添加这对我有用,

    $this->container->enterScope('request');
    $this->container->set('request', new Request(), 'request');

Answer 2

正如Stof所引述:

如果您使用基于请求的资产助手(从请求对象获取基本URL),则无法从CLI中使用它,因为您没有请求

翻译,asset如果您打算在CLI中使用该功能,则无法使用模板中的功能.