spring 異常org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2 - 碼上歡樂

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spring 異常org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2

本文轉載自查看原文 2018-08-20 13:06 6908 Exception

org.springframework.dao.IncorrectResultSizeDataAccessException: query did not return a unique result: 2; nested exception is javax.persistence.NonUniqueResultException: query did not return a unique result: 2

這個異常是說明數據庫中的數據本應該是唯一的但是是重復了是數據的問題不是代碼問題

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猜您在找 java.lang.NoSuchMethodError: org.springframework.dao.IncorrectResultSizeDataAccessException query did not return a unique result: 2錯誤的發生 org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0 org.springframework.dao.CannotAcquireLockException異常分析 org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.springframework.dao.DataAccessResourceFailureException Io 異常: tConnection reset org.springframework.dao.DuplicateKeyException org.springframework.dao.InvalidDataAccessResourceUsageException org.springframework.dao.TransientDataAccessResourceException org.springframework.dao.EmptyResultDataAccessException

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