1. 에러 메시지 Resolved [org.springframework.web.HttpMediaTypeNotSupportedException: Content type 'application/octet-stream' not supported] 2. 원인 1 2 3 4 5 6 7 8 9 10 11 12 13 14 @PostMapping("/new") public ResponseEntity saveContents(@RequestPart(required = false) AllContentsRequest contentsRequest) throws IOException { log.info("Contents controller: api/contents/new ---------------------"); LinkedL..
