[eclipse常见问题]The entity has no primary key attribute defined - 代码天地

[eclipse常见问题]The entity has no primary key attribute defined

其他 2018-11-06 12:03:50 阅读次数: 0

原因：实体类继承了ID，但是ID没有被映射到。
在此java类中加入@ID方法，会报错，会重复。
解决办法：
Windows->Persistence->Java Persistence->JPA->Errors/Warnings->Type, 将“Entity has no primary key”设为警告或更低的提示级别。

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转载自blog.csdn.net/qq_35835118/article/details/83505399

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