Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed: org.springframework.web.multipart.MultipartException: Current request is not a multipart request] with root cause $http({ method: 'POST', url: Config.serverURL, data: formData, headers: { 'Content-Type': undefined } }). ContentType을 명시하지말라는 말은 있었는데, 이게 진짜 undefined로 명시적으로 지워버려야 되..