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

时间 2021-07-11

标签 MyBatis 栏目 MyBatis 繁體版

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欢迎访问我的网站:www.ifueen.com Mybatis报错问题一次项目在使用MyBatis进行高级查询的时候，如果传入的值为空报错：Expected one result (or null) to be returned by selectOne(), but found: 2 Mapper.xml如下：不要在意查询的语句，我给出的思路是，如果传进来的name为空，就查询所有，不然就进

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1. Expected one result (or null) to be returned by selectOne(), but found: 2
2. TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2]
3. 解决 Expected one result (or null) to be returned by selectOne(), but found: 2
4. 解决:TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found:
5. BUG之Expected one result (or null) to be returned by selectOne(), but found: 4
6. Expected one result (or null) to be returned by selectOne(), but found: 20
7. Expected one result (or null) to be returned by...
8. org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned
9. 关于Expected one result (or null) to be returned by selectOne(), but found: 3。。。。异常
10. 测试环境部署之填坑记录-Expected one result (or null) to be returned by selectOne(), but found: 2
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1. Expected one result (or null) to be returned by selectOne(), but found: 2
2. TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2]
3. 解决 Expected one result (or null) to be returned by selectOne(), but found: 2
4. 解决:TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found:
5. BUG之Expected one result (or null) to be returned by selectOne(), but found: 4
6. Expected one result (or null) to be returned by selectOne(), but found: 20
7. Expected one result (or null) to be returned by...
8. org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned
9. 关于Expected one result (or null) to be returned by selectOne(), but found: 3。。。。异常
10. 测试环境部署之填坑记录-Expected one result (or null) to be returned by selectOne(), but found: 2

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