1. mapper.xml中namespace名称是否与dao接口包名一致 2. 在mybatis配置文件中注册mapper…

报错org.apache.ibatis.binding.BindingException: Type interface com.atguigu.mybatis.bean.dao.EmployeeMapper is not known to the MapperRegistry. 我报这个错误的原因是因为mybatis-config.xml配置文件中 <!-- 批量注册: --> <package name="com.atguigu.mybatis.dao"/>…

报错信息: Exception in thread "main" org.apache.ibatis.binding.BindingException: Type interface com.web.mybatis.i.PersonMapper is not known to the MapperRegistry. at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47) at org.a…

报错: Exception in thread "main" org.apache.ibatis.binding.BindingException: Type interface com.ssm.mapper.NewProductMapper is not known to the MapperRegistry. at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47) at org.ap…

异常一:Result Maps collection already contains value for com.ssj.mapper.XXXMapper 原因分析:XXXmapper.xml文件中出现了ID相同的值; 可能导致因素: 原逆向工程生成的文件未删除,又执行了一次逆向工程. 异常二:Type interface com.ssj.mapper.UserMapper is already known to the MapperRegistry. 原因分析:mybatisconfig.x…

前言 最近开始了SpringBoot相关知识的学习,作为为目前比较流行.用的比较广的Spring框架,是每一个Java学习者及从业者都会接触到一个知识点.作为Spring框架项目,肯定少不了与数据库持久层的整合.我们在学习Java初始就被灌输SSM框架(Spring.SpringMVC.Mybatis),我们大概也只是知道Mybatis是与数据库打交道的,但这也只是名词上的理解. Mybatis具体是什么? MyBatis 是一款优秀的持久层框架,它支持自定义 SQL.存储过程以及高级映射.My…

具体请参照: http://blog.csdn.net/fengshizty/article/details/43086833 按照上面博客地址,下载Generator的依赖包: 如下是我的配置文件: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Co…

Exception in thread "main" org.apache.ibatis.binding.BindingException: Type interface com.test.bean.groupMapper is not known to the MapperRegistry. at org.apache.ibatis.binding.MapperRegistry.getMapper(MapperRegistry.java:47) at org.apache.ibati…

今天写项目时多加了个查询菜品的方法报错: Invalid bound statement (not found): com.cqupt.ssm.dao.UserDao.queryMenu 大概意思是找不到queryMenu方法 后来仔细找了一下,原来在<select>标签中,id的值和dao层方法的名不一致 后来网上也找了一下出现这个错误的原因,有好多,以后遇到再来更新…

报错信息: 2018-06-25 14:26:17.103  WARN 49752 --- [  restartedMain] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyExcept…