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No constructor found for class

에러 일기 2023. 2. 20. 17:20

Querydsl에서 Select절에 Projections.constructor를 사용했다가 발생한 에러였다.

알고보니 내가 생성할 DTO의 필드 수는 7개인데, Select절에서 선언해준 파라미터는 6개였다.

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관련글 관련글 더보기

Cannot invoke "com.querydsl.core.QueryResults.getResults()" because "" is null
javax.persistence.NonUniqueResultException: query did not return a unique result
Cannot construct instance of `` (no Creators, like default constructor, exist): cannot deserialize from Object value (no delegate- or property-based Creator) at [Source: (org.springframework.util.StreamUtils$NonClosingInputStream); line: 2, column: 1]
query specified join fetching, but the owner of the fetched association was not present in the select list

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