Doctrine EntityListener neproběhne v transakci

/**
 * @ORM\Entity
 * @ORM\EntityListeners({"DiscussionModule\Model\Entities\Listeners\DiscussionConversationListener"})
 */
class DiscussionConversation extends BaseEntity
{

    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type = "integer")
     */
    protected $id;
    
    /**
     * @ORM\Column(type = "text")
     */
    protected $text;
    
    /**
     * @ORM\Column(type = "integer")
     */
    protected $answersCount;
    
    /**
     * @ORM\ManyToOne(targetEntity = "DiscussionModule\Model\Entities\DiscussionConversation")
     */
    protected $lastAnswer;
}

class DiscussionConversationListener
{
    
    /**
     * @ORM\PostPersist
     * @ORM\PostRemove
     */
    public function recountAnswersCount(DiscussionConversation $conversation, LifecycleEventArgs $event){
        $count = $event->getEntityManager()->createQuery('SELECT COUNT(c2.id) FROM ' . DiscussionConversation::getClassName() . ' c2 JOIN c2.user u '
                . 'WHERE u.hashRegistered IS NULL AND c2.topic = :topic AND c2.mainTopic = FALSE')
            ->setParameter('topic', $conversation->getTopic())
            ->getSingleScalarResult();
        
        $qb = $event->getEntityManager()->createQueryBuilder();
        $qb->update(DiscussionConversation::getClassName(), 'c')
            ->set('c.answersCount', $count)
            ->where('c.topic = :topic AND c.mainTopic = TRUE')
            ->setParameter('topic', $conversation->getTopic())
            ->getQuery()
            ->execute();
    }
        
    /**
     * @ORM\PostPersist
     * @ORM\PostRemove
     */
    public function lastConversationUpdate(DiscussionConversation $conversation, LifecycleEventArgs $event){        
        $last = $event->getEntityManager()->createQuery('SELECT c FROM ' . DiscussionConversation::getClassName() . ' c JOIN c.user u '
            . 'WHERE u.hashRegistered IS NULL AND c.topic = :topic  AND c.mainTopic = FALSE ORDER BY c.dateInserted DESC')
            ->setParameter('topic', $conversation->getTopic())
            ->setMaxResults(1)
            ->getOneOrNullResult();
        
        if($last === NULL){
            return;
        }
        
        $qb = $event->getEntityManager()->createQueryBuilder();
        $qb->update(DiscussionConversation::getClassName(), 's')
            ->set('s.lastConversation', $last->getId())
            ->where('s = :subject')
            ->setParameter('subject', $conversation->getTopic())
            ->getQuery()
            ->execute();
    }
}