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org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name ‘adminController’: Unsatisfied dependency expressed through field ‘adminMapper’; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name ‘adminMapper’ defined in file [D:\WorkSpace\JavaProjects\cloud-platform\target\classes\com\paiying\cloudperform\mapper\AdminMapper.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: java.lang.IllegalArgumentException: Mapped Statements collection already contains value for com.paiying.cloudperform.mapper.AdminMapper.findById. please check com/paiying/cloudperform/mapper/AdminMapper.xml and com/paiying/cloudperform/mapper/AdminMapper.java (best guess)

可能是你在Mapper接口中某个方法用了@Select注解,但同时又在对应Mapper.xml配置文件写了一个,两者冲突了。

另外,本质上也是有混合写法的,比如 某个方法的sql语句很简单,就使用@Select注解形式;如果某个方法的sql语句很复杂,就使用mapper.xml形式配置。这样交替使用也行,就是会不好找,建议使用一种!

本文标签: 情况DependencyUnsatisfiedexpressedadminMapper