@ManyToOne references an unknown entity:

Posted 2022-12-05 面具人生lql

报错： @OneToOne or @ManyToOne on com.it.shop.model.Product.category references an unknown entity: com.it.shop.model.Category
1.检查hibernate.cfg.xml中是否做了mapping
< mapping class = "com.it.shop.model.Category" />

2.检查 @OneToOne or @ManyToOne中targetEntity是否配置 3.检查Class  Category是否添加了注解@Entity      是   @javax.persistence.Entity       不是@org.hibernate.annotations.Entity


@ManyToOne (targetEntity = Category.class)private long cid;

或者使用一下这种写法
@ManyToOne private Category cid;