org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned
org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2 功能：查詢數據庫當前用戶是否存在 錯誤原因 ：本人數據庫有兩條相同的數據 由錯誤提示可知，查詢的結果是期望一條記錄或者爲空，但是返回的記過有2條
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- 1. Expected one result (or null) to be returned by...
- 2. mybatics異常org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be
- 3. TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2]
- 4. 解決:TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found:
- 5. Expected one result (or null) to be returned by selectOne(), but found: 2
- 6. BUG之Expected one result (or null) to be returned by selectOne(), but found: 4
- 7. MyBatis報錯：Expected one result (or null) to be returned by selectOne(), but found: 2
- 8. Expected one result (or null) to be returned by selectOne(), but found: 20
- 9. 解決 Expected one result (or null) to be returned by selectOne(), but found: 2
- 10. 關於Expected one result (or null) to be returned by selectOne(), but found: 3。。。。異常
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相關文章
- 1. Expected one result (or null) to be returned by...
- 2. mybatics異常org.apache.ibatis.exceptions.TooManyResultsException: Expected one result (or null) to be
- 3. TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found: 2]
- 4. 解決:TooManyResultsException: Expected one result (or null) to be returned by selectOne(), but found:
- 5. Expected one result (or null) to be returned by selectOne(), but found: 2
- 6. BUG之Expected one result (or null) to be returned by selectOne(), but found: 4
- 7. MyBatis報錯：Expected one result (or null) to be returned by selectOne(), but found: 2
- 8. Expected one result (or null) to be returned by selectOne(), but found: 20
- 9. 解決 Expected one result (or null) to be returned by selectOne(), but found: 2
- 10. 關於Expected one result (or null) to be returned by selectOne(), but found: 3。。。。異常