returns more than one elements; nested exception is javax.persistence.NonUniqueResultException: resu
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org.springframework.dao.IncorrectResultSizeDataAccessException: result returns more than one elements; nested exception is javax.persistence.NonUniqueResultException: result returns more than one elements
初学Spring JPA,报了上面的错。
public interface AaRepository extends JpaRepository<AaUserIconType, Integer> {
public AaUserIconType findByUserNo(String userNo);
public AaUserIconType findByUserNo(String userNo);
}
由于函数返回值类型为AaUserIconType,将上面函数返回值类型由AaUserIconType改成List<AaUserIconType>即可
public interface AaRepository extends JpaRepository<AaUserIconType, Integer> {
public List<AaUserIconType> findByUserNo(String userNo);
public List<AaUserIconType> findByUserNo(String userNo);
}
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