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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). org.apache.ibatis.binding.BindingException: Mapper method 'org.system.mapper.child.ChmOrganizationExaminationMapper.delete at…

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: org.apache.ibatis.binding.BindingException: Mapper method 'com.dao.Cameao.getOnlineDayRation attempted to return null from a method with a primitive return type (float). at org.apache.ibatis.binding.MapperMethod.execute(Mapp…

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 null, 需要给默认值 select IFNULL(sum(deposit_amount),0) from tb_commission_ib_day…

Does the parameter type of the setter match the return type of the getter?

JDK 1.8, dubbo-admin版本是2.5.4-SNAPSHOT,tomcat8.5启动,报错: ERROR context.ContextLoader - Context initialization failed org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'uriBrokerService': Cannot create inner bean '(in…

org.apache.ibatis.binding.BindingException: Mapper method 'attempted to return null from a method with a primitive return type (long).

一.问题描述 今天发现测试环境报出来一个数据库相关的错误 org.apache.ibatis.binding.BindingException: Mapper method 'attempted to return null from a method with a primitive return type (long). 二.问题根源 经过查询后发现,Mybatis 在查询id信息的时候返回类型为long ,没有留意long和Long的区别. Long是long的包装类,long是基本数据类…

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

java接口文件 package com.cyb.ms.mapper; import org.apache.ibatis.annotations.Param; public interface AccountMapper { void update(@Param("name") String name, @Param("money") int money); int queryMoney(String name); } xml文件 <?xml version=…

Bean property ‘mapperHelper’ is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?

spring boot 报错: Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property ‘mapperHelper’ of bean class [org.mybatis.spring.mapper.MapperFactoryBean]: Bean property ‘mapperHelper’ is not writable or has an invalid setter meth…

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 a method with a primitive return type (int). 先查mysql监控语句,发现存储过程调用正常,也得到了返回值,继续查 对应的文件 存储过程: CREATE PRO…

mybatis查询时使用基本数据类型接收报错-attempted to return null from a method with a primitive return type (int)

一.问题由来 自己在查看日志时发现日志中打印了一行错误信息为: 组装已经放养的宠物数据异常--->Mapper method 'applets.user.mapper.xxxMapper.xxxmyRank attempted to return null from a method with a primitive return type (int). 意思很好理解,就是在某个mapper文件中的xxxmyRank 这个查询方法返回一个null,可是却需要返回一个int类型的数,因此报错. 二…

nested exception is java.lang.IllegalArgumentException: warning no match for this type name: res [Xlint:invalidAbsoluteTypeName]

注:内有单词(sping)写错,请忽略,不影响程序运行 运行时报错: Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'mhl' defined in class path resource [myjava/wicherspingaop-aop.xml]: BeanPostProcessor before i…