The error may exist in com/bjpowernode/dao/StudentDao.xml### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error creating document instance. Cause: org.xm…

搭建了一个ssm项目,启动报错Error parsing SQL Mapper Configuration. Cause: java.io.IOException: Could not find resource com/cqupt/paging/dao/User.xml 我看了一下路径没错,名字也没有写错 网上找了一下资料解决了,记录一下 我用maven管理,在target下并没有将User.xml,出错原因就是maven编译时没有将xml文件放进去,所以才会找不到User.xml文件 解决方…

我的具体报错日志是   Error parsing SQL Mapper Configuration. Cause: java.io.IOException  Could not find resource com  dev-mapper.xml ...意识是找不到 我用maven管理,在target文件夹下并没有将dev-mapper.xml ,出错原因就是maven编译时没有将xml文件放进去,所以才会找不到  dev-mapper.xml文件 解决办法:在pom.xml中添加以下代码: 问…

这是一个由粗心导致的错误,具体报错如下: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession.### The error may exist in SQL Mapper Configuration### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Ca…

在做多表映射查询时,在同一个resultMap中写了1:1映射和1:n映射,结果测试时报错如下: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession.### The error may exist in com/dao/OrdersMapper.java (best guess)### The error occurred while processing mapper_resultMa…

关于在学习Mybatis框架时运行报错 Caused by: org.apache.ibatis.exceptions.PersistenceException: ### Error building SqlSession. ### The error may exist in dao/UserMapper.xml ### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configurati…

在xxxMapper中 <select id="getClazz" parameterType="int" resultType="getClazzMap"> SELECT * FROM class c,teacher t WHERE c.tid = t.tid AND c.cid=#{id} </select> <resultMap type="Clazz" id="getClazzM…

个人博客 地址:http://www.wenhaofan.com/article/20181108104133 问题描述 项目使用maven build 以及tomcat run能够正常运行,但是使用junit单元测试时却报如下错误 Caused by: java.lang.IllegalArgumentException: Mapped Statements collection does not contain value for CommonTermTeacherMapper.listOw…

1 源码解析 1.1 jdk解析 1.2 guava解析 1.3 spring解析 1.4 mybaties解析 1 源码解析 1.1 jdk解析 String public StringBuilder append(boolean b) { super.append(b); return this; } public StringBuilder append(char c) { super.append(c); return this; } public StringBuilder appen…

前几天发现 AutoMapper 3.3 的一个性能问题(详见:遭遇AutoMapper性能问题:映射200条数据比100条慢了近千倍),于是将 AutoMapper 升级至最新的 5.1.1 看是否也存在这个性能问题. 升级中想当然地将之前的map配置代码: Mapper.CreateMap<AEntity, ADto>(); Mapper.CreateMap<BEntity, BDto>(); 改为: Mapper.Initialize(cfg => cfg.Create…