返回值超过一个，而你设置的接收变量不是集合
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TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
java报错nested exception is org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2
Expected one result (or null) to be returned by selectOne(), but found: 2 和 java.lang.UnsupportedOperationException异常
mybatis-plus之getById()方法报错： Expected one result (or null) to be returned by selectOne(), but found: 2
mybatisplus exception:One record is expected, but the query result is multiple records
Expected linebreaks to be 'LF' but found 'CRLF'.
cvc-complex-type.2.4.a: Invalid content was found starting with element 'async-supported'. One of '{"http://java.sun.com/xml/ns/javaee":init-param}' is expected.
解决HUE报错MultipleObjectsReturned: get() returned more than one Document2 -- it returned 2!
expected single matching bean but found 2: menusServiceImpl,IMenusService
eslint Expected linebreaks to be 'LF' but found 'CRLF'