src/main/java/com/kamco/cd/training/model/service/ModelTrainMngService.java

@@ -82,6 +82,10 @@ public class ModelTrainMngService {
       throw new CustomApiException("NOT_FOUND", HttpStatus.NOT_FOUND, "모델 없음");
     }
 
+    if (model.getRequestPath() == null) {
+      throw new CustomApiException("NOT_FOUND", HttpStatus.NOT_FOUND, "임시파일 경로 없음");
+    }
+
     // ===== 2. 경로 생성 =====
     Path tmpBase = Path.of(symbolicDir).toAbsolutePath().normalize();
     Path tmp = tmpBase.resolve(model.getRequestPath()).normalize();