nested exception is org.apache.ibatis.exceptions.TooManyResultsException:

🌳 에러 코드

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There was an unexpected error (type=Internal Server Error, status=500).

nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2

org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2

 

 

 

 

 

 

 

 

 

 

 

🌳 해결 방법

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🌾 원인 :리스트로 받아야될 것을 객체 하나로 받았다. 

🌾 해결 방법 : User - > List<User>로 변경. 

 

 

 

 

 

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