[Solved] Error creating bean with name ‘sqlSessionFactory‘ defined in class path resource

Errors encountered while integrating SSM

org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘sqlSessionFactory’ defined in class path resource [spring-dao.xml]: Invocation of init method failed; nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: ‘class path resource [com/kuang/mapper/UserMapper.xml]’; nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. The XML location is ‘class path resource [com/kuang/mapper/UserMapper.xml]’. Cause: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for com.kuang.mapper.UserMapper.selectUser. please check com/kuang/mapper/UserMapper.xml and class path resource [com/kuang/mapper/UserMapper.xml]

Reason:

Write an extra copy of this thing
Conflicts with Spring inside
Deleted and compiled successfully

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