org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1,actual 0 1

  spring中使用JdbcTemplate的queryForObject方法，当查不到数据时会抛出如下异常： org.springframework.dao.EmptyResultDataAccessException: Incorrect result size: expected 1, actual 0 org.springframework.dao.support.DataAcces

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