解决Mybatis UserMapper.xml报错问题-优快云博客

本文链接：https://blog.youkuaiyun.com/qq_41624280/article/details/107406640

在使用Mybatis框架时，遇到UserMapper.xml文件出现方法重复的错误。这可能是由于配置不当或者XML映射文件冲突导致。检查并确保每个方法在XML文件中有唯一的标识。

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UserMapper.xml相关报错

org.apache.ibatis.exceptions.PersistenceException: 
### Error building SqlSession.
### The error may exist in com/mybatis/mapper/UserMapper.xml
### The error occurred while processing mapper_resultMap[userVoa]_collection[cars]
### Cause: org.apache.ibatis.builder.BuilderException: Error parsing SQL Mapper Configuration. Cause: org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for com.mybatis.mapper.UserMapper.updateUser
	at org.apache.ibatis.exceptions.ExceptionFactory.wrapException(ExceptionFactory.java:26)
	at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:82)
	at org.apache.ibatis.session.SqlSessionFactoryBuilder.build(SqlSessionFactoryBuilder.java:66)
	at com.mybatis.mytest.UserManyParamTest.setup(UserManyParamTest.java:25)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveC

Mybatis框架报错