【文章推荐】rg.apache.ibatis.binding.BindingException: Mapper method 'com.dao.Cameao.getOnlineDayRation attempted to return null from a method with a primitive return type (float)

原文：rg.apache.ibatis.binding.BindingException: Mapper method 'com.dao.Cameao.getOnlineDayRation attempted to return null from a method with a primitive return type (float)

本文为博主原创，未经允许不得转载：异常展示如下：异常解析：由于AVG求平均数时，可能为导致报错，解决方法：修改sql，使用IFNULL函数即可解决问题：即可解决问题。 ...

2017-12-13 20:45 0 2016 推荐指数：

Mapper method 'com.xxxx.other.dao.MyDao.getNo attempted to return null from a method with a primitive return type (int)

使用myBatis调用存储过程的返回值，提示错误信息: org.apache.ibatis.binding.BindingException: Mapper method 'com.xxxx.other.dao.MyDao.getNo attempted to return null from ...

使用mybatis报错：Mapper method 'com.xin.dao.BlogMapper.addBlog attempted to return null from a method with a primitive return type (int).

错误原因分析本次报错的原因在于sql语句未查询到数据，返回为null。而我们定义的dao层方法是返回为int，就会出现如下这样的提示：return null from a method with a primitive return type (int).（试图从具有原始 ...

Mybatis：Mapper method attempted to return null from a method with a primitive return type (int)

关键词 SpringMVC SSM Mybatis eclipse 报错内容 Mybatis：Mapper method attempted to return null from a method with a primitive return type (int) 原因 ...

attempted to return null from a method with a primitive return type (Double).

<select id="getMaxHitEventId" parameterType="string" resultType="int"> select max(app_hitEventID） from hits_tab_app where ...

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

之一，它可以接受两个参数，如果查询结果不是NULL，则返回第一个参数。否则返回第二个参数。两个参数也可以是文 ...

delete attempted to return null from a method with a primitive return type (int)

今天被自己给蠢死了今天在代码中遇到这个错误，百度翻译一下：映射方法，从一org.system.mapper.child.chmorganizationexaminationmapper.delete返回零作为一个原始的方法的返回类型（int）。最后发现 ...

Mapper method 'com.autoyol.mapper.trans.AccountLogMapper.getTotalIncomByMemNoLastest attempted to return null from a method with a primitive return

1.打开日志输出，降低日志级别。 2.调整mysql语句，不能使用order by limit之类的 ...

mysql查询null异常:attempted to return null from a method with a primitive return type

select sum(deposit_amount)from tb_commission_ib_day mysql查询时报异常: attempted to return null from a method with a primitive return type 是因为查询时结果是 ...

原文：rg.apache.ibatis.binding.BindingException: Mapper method 'com.dao.Cameao.getOnlineDayRation attempted to return null from a method with a primitive return type (float)

相关推荐

相关标签