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相关 【已解决】attempted to return null from a method with a primitive
本博文源于最近在学习mybatis，出现了一个红色错误，但完美解决了。org.apache.ibatis.binding.BindingException: Mapper me
- 日理万妓相关 mapper method attempted to return null from a method with a primitive return type (int)
一、场景和背景 工具：mybatis + pgsql dao代码： int selectMaxAgeBySex(String sex); 查询性别是女生的最大
骑猪看日落相关 updateCommentCount attempted to return null from a method with a primitive return type (int)
报错: org.apache.ibatis.binding.BindingException: Mapper method 'com.nowcoder.community.d
相关 updateWarning attempted to return null from a method with a primitive return type (boolean).
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ub
今天药忘吃喽~相关 MyBatis Mapper method ‘xxx‘ attempted to return null from a method with a primitive return type问题解决
问题描述： org.apache.ibatis.binding.BindingException: Mapper method 'com.dao.UserDao.getS
相关 Xcode 内存泄露检查出现：nil returned from a method that is expected to return a non-null value iOS 解决方案。
Xcode 内存泄露检查出现：nil returned from a method that is expected to return a non-null value iO
相关 attempted to return null from a method with a primitive return type (int).
<select id="getMaxHitEventId" parameterType="string" resultType="int">
相关 ［Mybatis异常］Mapper method '...attempted to return null from a method with a primitive return type(int
Mapper method '...attempted to return null from a method with a primitive return type(in
相关 attempted to return null from a method with a primitive return type (long).
写了一个sql:select sum(game\_score) from pt\_game\_recor 报错attempted to return null from a
相关 （Mybatis）attempted to return null from a method with a primitive return type (int)
问题描述 执行sql语句执行更新语句时，后台直接报错了，报错信息如下： ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk
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