主义实体错误

Question

我从Doctrine收到此错误：

The mappings X\Answer#question and X\Question#answers are inconsistent with each other.

我没看到它有什么问题？

课程是：

答案：

/**
 * @ORM\ManyToOne(targetEntity="Question", inversedBy="answers")
 * @ORM\JoinColumn(name="question_id", referencedColumnName="question_id")
 */
private $question;

问题：

/**
 * @ORM\OneToMany(targetEntity="Answer", mappedBy="item")
 */
protected $answers;

public function __construct()
{
    $this->answers = new ArrayCollection();
}

Answer 1

mappedBy="item"需要mappedBy="question"。