java报错nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
是因为sql语句中返回了多条，但是实际上需要的值只有一条
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org.mybatis.spring.MyBatisSystemException: nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 3
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 at org.m
org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
mybatics异常org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 5
Caused by: org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 7
mybatis 异常: Invalid bound statement (not found),TooManyResultsException:Expected one result (or null) to be returned by selectOne(), but found
报错：Expected one result (or null) to be returned by selectOne(), but found: 6