（MyBatis）insertStudent attempted to return null from a method with a primitive return type (int).

时间 2021-05-20

标签 java mybatis 栏目 MyBatis 繁體版

原文原文链接

今天在进行MyBatiS和动态代理练习的时候报错信息：注意看第三行的 TestMyBatis.java:30 的报错位置测试类： insertStudent attempted to return null from a method with a primitive return type (int). 这段报错的意思是返回值为null，但是int类型不能是null。刚开始在网上找，说让我换

>>阅读原文<<

1. [mybatis]............attempted to return null from a method with a primitive return type (int).
2. attempted to return null from a method with a primitive return type (int)
3. RoleMapper.deleteRole attempted to return null from a method with a primitive return type (int).
4. Mybatis：Mapper method attempted to return null from a method
5. 【java】Mybatis返回int类型为空时报错 attempted to return null from a method with a primitive return type (int）
6. mybatis使用xml实现发生的异常之一return null from a method with a primitive return type (int)
7. MyBatis Error：BindingException Mapper method attempted to return null
8. Null return value from advice does not match primitive return type for
9. Cannot return from outside a function or method
10. Cannot return from outside a function or method.
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1. [mybatis]............attempted to return null from a method with a primitive return type (int).
2. attempted to return null from a method with a primitive return type (int)
3. RoleMapper.deleteRole attempted to return null from a method with a primitive return type (int).
4. Mybatis：Mapper method attempted to return null from a method
5. 【java】Mybatis返回int类型为空时报错 attempted to return null from a method with a primitive return type (int）
6. mybatis使用xml实现发生的异常之一return null from a method with a primitive return type (int)
7. MyBatis Error：BindingException Mapper method attempted to return null
8. Null return value from advice does not match primitive return type for
9. Cannot return from outside a function or method
10. Cannot return from outside a function or method.

>>更多相关文章<<