Main브렌치를 업데이트합니다

src/main/java/com/campick/server/api/product/service/ProductService.java

@@ -45,6 +45,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
+import java.util.Random;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -82,7 +83,8 @@ public Long createProduct(ProductCreateReqDto dto, Long memberId) {
             throw new NotFoundException(ErrorStatus.CAR_NOT_FOUND.getMessage());
         }
 
-        Car car = cars.get(0);
+        Random random = new Random();
+        Car car = cars.get(random.nextInt(cars.size()));
 
 
         Member member = memberRepository.findById(memberId)

src/main/java/com/campick/server/common/config/websocket/WebSocketHandler.java

@@ -56,6 +56,7 @@ protected void handleTextMessage(WebSocketSession session, TextMessage message)
                 break;
             case "is_online":
                 webSocketService.checkIsOnline(session, memberId, data);
+                break;
             default:
                 log.warn("Unknown event: {}", event);
         }