Doctrine Entity listener in symfony - symfony

Question

Iam a little confused while I try to set up a doctrine entity listener with injected parameters in symfony.
First there is this page where Entity Listeners are barely mentioned:
https://symfony.com/doc/current/doctrine/event_listeners_subscribers.html
In Doctrine 2.4, a feature called Entity Listeners was introduced. It
is a lifecycle listener class used for an entity. You can read about
it in the Doctrine Documentation.
Then here is explained, that I only have to add a service with the right tags and that I don't have to register the listener in the entity when using doctrine 2.5 (which I do):
https://symfony.com/doc/master/bundles/DoctrineBundle/entity-listeners.html
If you use a version of doctrine/orm < 2.5 you have to register the
entity listener in your entity as well:
But the latter is not mentioned on the doctrine page:
http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/events.html#entity-listeners
However, following the doctrine page, I also added to my entity yaml:
AppBundle\Entity\File:
type: entity
entityListeners:
AppBundle\EventListener\FileListener:
postRemove: [postRemove]
And that is my Listener Class (still for testing):
class FileListener {
public function postRemove(File $file) {
dump($file); die();
}
}
That is what I set up in the service.yml:
file_listener:
class: AppBundle\EventListener\FileListener
arguments: ['%path_image%', '%path_thumb%', '%path_preview%']
tags:
- { name: doctrine.orm.entity_listener }
- { name: doctrine.orm.entity_listener, entity_manager: custom }
But when deleting a File Entity, the Listener Method is not called.