遇到Expected one result (or null) to be returned by selectOne(), but found: 16怎么解决 - 代码天地

遇到Expected one result (or null) to be returned by selectOne(), but found: 16怎么解决

其他 2018-11-25 05:11:15 阅读次数: 0

遇到Expected one result (or null) to be returned by selectOne(), but found: 16怎么解决

这个说明获取到的值原本为1个，但是实际获取到了16条。
解决方案：查看SQL语句是否出现问题。

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转载自blog.csdn.net/baidu_38878945/article/details/82825828

遇到Expected one result (or null) to be returned by selectOne(), but found: 16怎么解决

Expected one result (or null) to be returned by selectOne(), but found: 2

mybatis报错：Expected one result (or null) to be returned by selectOne(), but found: ...

Expected one result (or null) to be returned by selectOne(), but found: 30

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: 3

报错：Expected one result (or null) to be returned by selectOne(), but found: 6

【java异常】Expected one result (or null) to be returned by selectOne(), but found: 63

MyBatis报错：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: 5

求救！！mybatis Expected one result (or null) to be returned by selectOne(), but found:18

TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 4

多种方法解决Expected one result (or null) to be returned by selectOne(), but found: x 的错误

Expected one result (or null) to be returned by selectOne(), but found: 2 和 java.lang.UnsupportedOperationException异常

HTTP Status 500: Expected one result (or null) to be returned by selectOne(), but found: 2

【常见错误】Java中错误 Expected one result (or null) to be returned by selectOne(), but found: 4

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

SSM时遇到的异常（5）——TooManyResultsException: Expected one result (or null) to be returned by selectOne(),

MySQL 表字段唯一性约束设置unique / Expected one result (or null) to be returned by selectOne(), but found: 5..

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【异常】mybatis-plus:分页TooManyResultsException: Expected one result (or null) to be returned by selectOn

org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned b

org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned

解决：org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returne

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