From 3a14064b1d5d2af242f1e154f1094816c63f9b9f Mon Sep 17 00:00:00 2001
From: Lucy Oh <56earls@gmail.com>
Date: Sun, 16 Feb 2025 00:07:31 +0900
Subject: [PATCH] =?UTF-8?q?Fix:=20npe=20=EB=B0=9C=EC=83=9D=20=EC=88=98?=
 =?UTF-8?q?=EC=A0=95=20#177?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../pochak/global/annotation/ValidDuplicateListValidator.java | 1 +
 .../com/apps/pochak/post/dto/request/PostUploadRequest.java   | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/apps/pochak/global/annotation/ValidDuplicateListValidator.java b/src/main/java/com/apps/pochak/global/annotation/ValidDuplicateListValidator.java
index 70b3692c..607093a2 100644
--- a/src/main/java/com/apps/pochak/global/annotation/ValidDuplicateListValidator.java
+++ b/src/main/java/com/apps/pochak/global/annotation/ValidDuplicateListValidator.java
@@ -8,6 +8,7 @@
 public class ValidDuplicateListValidator implements ConstraintValidator<ValidDuplicateList, List<String>> {
     @Override
     public boolean isValid(final List<String> stringList, final ConstraintValidatorContext constraintValidatorContext) {
+        if (stringList == null) return true;
         final long uniqueCount = stringList.stream().distinct().count();
         return uniqueCount == stringList.size();
     }
diff --git a/src/main/java/com/apps/pochak/post/dto/request/PostUploadRequest.java b/src/main/java/com/apps/pochak/post/dto/request/PostUploadRequest.java
index 57e8df63..3a811b16 100644
--- a/src/main/java/com/apps/pochak/post/dto/request/PostUploadRequest.java
+++ b/src/main/java/com/apps/pochak/post/dto/request/PostUploadRequest.java
@@ -60,7 +60,8 @@ public boolean validateTaggedMember() {
     }
 
     public List<String> getAllTaggedMember() {
-        List<String> temp = new ArrayList<>(taggedMemberHandleList);
+        List<String> temp = taggedMemberHandleList != null ?
+                new ArrayList<>(taggedMemberHandleList) : new ArrayList<>();
         if (pinnedHandle != null) {
             temp.add(pinnedHandle);
         }
@@ -70,6 +71,7 @@ public List<String> getAllTaggedMember() {
     public void validateMemberNotTagged(
             final Member member
     ) {
+        if (taggedMemberHandleList == null) return;
         if (taggedMemberHandleList.contains(member.getHandle())) {
             throw new GeneralException(TAG_INVALID_MEMBER);
         }