Mybatis：Mapper method attempted to return null from a method
關鍵詞
SpringMVC SSM Mybatis eclipsesegmentfault
報錯內容
Mybatis：Mapper method attempted to return null from a method with a primitive return type (int)
緣由
Mapper.xml的標籤用錯了。。。（低級錯誤，輕噴。。。）
好比原本應該：
插入語句用<insert></insert>，更新語句用<update></update>，刪除語句用<delete></delete>app
結果全用成<select></select>eclipse
解決
用回對應的標籤就行。url
參考
Mybatis：Mapper method attempted to return null from a method with a primitive return type (int).net
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相關文章
- 1. attempted to return null from a method with a primitive return type (int)
- 2. [mybatis]............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）insertStudent attempted to return null from a method with a primitive return type (int).
- 5. MyBatis Error：BindingException Mapper method attempted to return null
- 6. 【java】Mybatis返回int類型爲空時報錯 attempted to return null from a method with a primitive return type (int）
- 7. org.springframework.expression.spel.SpelEvaluationException: EL1011E: Method call: Attempted to call
- 8. Cannot return from outside a function or method
- 9. Cannot return from outside a function or method.
- 10. mybatis使用xml實現發生的異常之一return null from a method with a primitive return type (int)