Springboot (1) 썸네일형 리스트형 [에러기록] [org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot construct instance of `` (although at least one Creator exists): cannot deserialize from Object value (no delegate- or property-based Creator)] postman으로 originalUrl을 보냈는데 Resolved [org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Cannot construct instance of `kr.co.ordermanagement.presentation.dto.ShortenUrlRequestDto` (although at least one Creator exists): cannot deserialize from Object value (no delegate- or property-based Creator)] 이딴에러가 나와서 뭐인가햇더니although at least one Creator exists): cannot d.. 이전 1 다음