File Management API Upload ALL Success

src/main/java/com/kamco/cd/kamcoback/common/exception/DuplicateFileException.java

@@ -0,0 +1,7 @@
+package com.kamco.cd.kamcoback.common.exception;
+
+public class DuplicateFileException extends RuntimeException {
+  public DuplicateFileException(String message) {
+    super(message);
+  }
+}

src/main/java/com/kamco/cd/kamcoback/common/exception/ValidationException.java

@@ -0,0 +1,7 @@
+package com.kamco.cd.kamcoback.common.exception;
+
+public class ValidationException extends RuntimeException {
+  public ValidationException(String message) {
+    super(message);
+  }
+}