🐛fix: 이미지 업로드 에러 해결 (#63)

src/main/java/com/ddabong/ddabongdotchiBE/domain/card/controller/CardController.java

@@ -41,7 +41,7 @@ public class CardController {
 	@PostMapping(value = "", consumes = "multipart/form-data")
 	public ApiResponse<CardCreateResponse> createCard(
 		@UserResolver User authUser,
-		@RequestPart @Valid CardCreateRequest request,
+		@RequestPart(value = "request") @Valid CardCreateRequest request,
 		@RequestPart(name = "cardImage") MultipartFile file
 	) {
 		return ApiResponse.onSuccess(cardService.createCard(authUser, request, file));

src/main/java/com/ddabong/ddabongdotchiBE/domain/global/MultipartJackson2HttpMessageConverter.java

@@ -0,0 +1,35 @@
+package com.ddabong.ddabongdotchiBE.domain.global;
+
+import java.lang.reflect.Type;
+
+import org.springframework.http.MediaType;
+import org.springframework.http.converter.json.AbstractJackson2HttpMessageConverter;
+import org.springframework.stereotype.Component;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+@Component
+public class MultipartJackson2HttpMessageConverter extends AbstractJackson2HttpMessageConverter {
+
+	/**
+	 * Converter for support http request with header Content-Type: multipart/form-data
+	 */
+	public MultipartJackson2HttpMessageConverter(ObjectMapper objectMapper) {
+		super(objectMapper, MediaType.APPLICATION_OCTET_STREAM);
+	}
+
+	@Override
+	public boolean canWrite(Class<?> clazz, MediaType mediaType) {
+		return false;
+	}
+
+	@Override
+	public boolean canWrite(Type type, Class<?> clazz, MediaType mediaType) {
+		return false;
+	}
+
+	@Override
+	protected boolean canWrite(MediaType mediaType) {
+		return false;
+	}
+}

src/main/java/com/ddabong/ddabongdotchiBE/domain/security/controller/UserController.java

@@ -45,7 +45,7 @@ public class UserController {
 
 	@PostMapping(value = "/join", consumes = "multipart/form-data")
 	public ApiResponse<UserJoinResponse> join(
-		@Valid @RequestPart UserJoinRequest request,
+		@RequestPart(value = "request") @Valid UserJoinRequest request,
 		@RequestPart(name = "profileImage") MultipartFile file
 	) {
 		return ApiResponse.onSuccess(userService.join(request, file));