教义不是有效的实体或映射的超类 [英] Doctrine Is not a valid entity or mapped super class

问题描述

我的学说有问题，我从自动生成的实体文件类用户"不是有效的实体或映射的超类"中得到了此错误.里面的文件和注释看起来不错，我不理解为什么还是我错过了一些事情?一些代码

i have a problem with doctrine and i getting this error from auto generated entity file "Class "Users" is not a valid entity or mapped super class.". File and comments inside looks like fine i dont understund why or i something miss? Some piece of code

<?php

use Doctrine\ORM\Mapping as ORM;

/**
* Users
*
* @ORM\Table(name="users", uniqueConstraints={@ORM\UniqueConstraint(name="username", columns={"username"})})
* @ORM\Entity
*/

class Users
{
   /**
  * @var integer
  *
  * @ORM\Column(name="userid", type="integer", nullable=false)
  * @ORM\Id
  * @ORM\GeneratedValue(strategy="IDENTITY")
  */

  private $userid;

/**
 * @var string
 *
 * @ORM\Column(name="username", type="string", length=100, nullable=false)
 */
  private $username;

推荐答案

对我来说，添加以下名称空间后，此问题已解决

for me this problem was solved after adding following namespace

use Doctrine\Common\Annotations\AnnotationReader;

在我的doctrine.php中

in my doctrine.php

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