Null return value from advice does not match primitive return type for
報錯信息 報錯原因：我是代碼裏用了異步線程，AOP做了一層切面處理，底層是通過jdk動態代理實現。 不管是cglib代理還是jdk代理，你的返回值必須是包裝類，如下圖我返回的是基本類型，所以就會報錯。 把int 改成 Integer就可以解決問題了。 這時候有人可能不理解。爲什麼一定要Integer不能用Int類型 查了一下，如果代理的方法返回值類型爲void，就return null；否則就re
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- 1. Null return value from advice does not match primitive return type for
- 2. attempted to return null from a method with a primitive return type (int)
- 3. [mybatis]............attempted to return null from a method with a primitive return type (int).
- 4. RoleMapper.deleteRole attempted to return null from a method with a primitive return type (int).
- 5. （MyBatis）insertStudent attempted to return null from a method with a primitive return type (int).
- 6. java.lang.IllegalArgumentException: No converter found for return value of type
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- 8. (HttpMessageNotWritableException ) No converter found for return value of type xxxx
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相關文章
- 1. Null return value from advice does not match primitive return type for
- 2. attempted to return null from a method with a primitive return type (int)
- 3. [mybatis]............attempted to return null from a method with a primitive return type (int).
- 4. RoleMapper.deleteRole attempted to return null from a method with a primitive return type (int).
- 5. （MyBatis）insertStudent attempted to return null from a method with a primitive return type (int).
- 6. java.lang.IllegalArgumentException: No converter found for return value of type
- 7. No converter found for return value of type: class java.util.ArrayList
- 8. (HttpMessageNotWritableException ) No converter found for return value of type xxxx
- 9. No converter found for return value of type: class...
- 10. No converter found for return value of type: class io.renren.utils.R