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Symfony 3.4 Aucune classe de métadonnées à traiter Erreur

Oui finalement j'ai trouvé que le problème est avec John.orm.php fichier qui sera généré lors de l'exécution de php bin/console doctrine:generate:entity

J'ai créé la classe Entity en utilisant la commande suivante

php bin/console doctrine:generate:entity

Ensuite, il vous demandera de

Welcome to the Doctrine2 entity generator

This command helps you generate Doctrine2 entities.

First, you need to give the entity name you want to generate.
You must use the shortcut notation like AcmeBlogBundle:Post.

The Entity shortcut name: AppBundle:John

Determine the format to use for the mapping information.

Configuration format (yml, xml, php, or annotation) [annotation]: php

Instead of starting with a blank entity, you can add some fields now.
Note that the primary key will be added automatically (named id).

Available types: array, simple_array, json_array, object,
boolean, integer, smallint, bigint, string, text, datetime, datetimetz,
date, time, decimal, float, binary, blob, guid.

New field name (press <return> to stop adding fields): id
 Field "id" is already defined.
New field name (press <return> to stop adding fields): username
Field type [string]: string
Field length [255]:
Is nullable [false]: true
Unique [false]: false

New field name (press <return> to stop adding fields): password
Field type [string]:
Field length [255]:
Is nullable [false]: true
Unique [false]:

New field name (press <return> to stop adding fields): dob
Field type [string]: date
Is nullable [false]: true
Unique [false]:

New field name (press <return> to stop adding fields):


  Entity generation


  created .\src\AppBundle/Entity/John.php
  created .\src\AppBundle/Resources/config/doctrine/
  created .\src\AppBundle/Resources/config/doctrine/John.orm.php
> Generating entity class G:\XAMPP\htdocs\project\src\AppBundle\Entity\John.php:
 OK!
> Generating repository class G:\XAMPP\htdocs\project\src\AppBundle\Repository\J
ohnRepository.php: OK!
> Generating mapping file G:\XAMPP\htdocs\project\src\AppBundle\Resources\config
\doctrine\John.orm.php: OK!


  Everything is OK! Now get to work :).



G:\XAMPP\htdocs\project>

Et après le succès, il créera une classe d'entité dans AppBundle\Entity; dossier et classe de référentiel dans AppBundle\Repository; il générera également John.orm.php dans AppBundle\Resources\config\doctrine\John.orm.php

Après avoir supprimé le fichier John.orm.php si je lance php bin/console doctrine:schema:update --force puis il générera des tables.