已解决：org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with

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解决了困扰一天的问题

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'app': Unsatisfied dependency expressed through constructor parameter 0; 

nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'userDoMapper' defined in file [D:\javaworkspace\record\target\classes\com\recordproject\dao\UserDoMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; 

nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSessionFactory' defined in class path resource[org/mybatis/spring/boot/autoconfigure/MybatisAutoConfiguration.class]: Bean instantiation via factory method failed; 

nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.ibatis.session.SqlSessionFactory]: Factory method 'sqlSessionFactory' threw exception;

 nested exception is org.springframework.core.NestedIOException: Failed to parse mapping resource: 'file [D:\javaworkspace\record\target\classes\mapping\UserDoMapper.xml]'; 

nested exception is org.apache.ibatis.builder.BuilderException: Error parsing Mapper XML. Cause: java.lang.IllegalArgumentException: Result Maps collection already contains value for com.recordproject.dao.UserDoMapper.BaseResultMap

解决方式：将mapping中自动生成的代码删掉，然后重新运行mybatis-generator生成新的代码即可解决问题

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