From bd8d82dd5d9312261c7e29d1e9d5a8ad5951e32e Mon Sep 17 00:00:00 2001
From: joungmin <joungmin@joungmins-Mac-mini.local>
Date: Tue, 16 Jun 2026 10:26:15 +0900
Subject: [PATCH] =?UTF-8?q?fix(stats):=20/api/stats/visits=20500=20?=
 =?UTF-8?q?=E2=80=94=20Mapper=20resultType=20int=E2=86=92long?=
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- StatsMapper interface는 long 반환인데 XML resultType이 int
- Integer를 primitive long으로 cast 못 함 → ClassCastException → 500

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
---
 CHANGELOG.md                                                  | 4 ++++
 .../src/main/resources/mybatis/mapper/StatsMapper.xml         | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3488758..49a5429 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@
 
 ## 2026-06-16
 
+### 🐛 /api/stats/visits 500 — StatsMapper resultType int → long (v0.1.54)
+- StatsMapper interface는 `long` 반환인데 XML resultType이 `int` → Integer를 long에 cast 실패
+- ClassCastException: Integer → Long. resultType만 long으로 교정
+
 ### 🐛 NaverMap 인증 파라미터 ncpClientId → ncpKeyId (v0.1.53)
 - NCLOUD 신 정책: `ncpKeyId` 사용 (옛 `ncpClientId`는 NAVER Developers용)
 - 인증 200/Failed의 진짜 원인 — 도메인 등록은 정확했으나 파라미터 이름 차이로 키 인식 실패
diff --git a/backend-java/src/main/resources/mybatis/mapper/StatsMapper.xml b/backend-java/src/main/resources/mybatis/mapper/StatsMapper.xml
index 25799a8..83334d2 100644
--- a/backend-java/src/main/resources/mybatis/mapper/StatsMapper.xml
+++ b/backend-java/src/main/resources/mybatis/mapper/StatsMapper.xml
@@ -10,13 +10,13 @@
         WHEN NOT MATCHED THEN INSERT (visit_date, visit_count) VALUES (src.d, 1)
     </update>
 
-    <select id="getTodayVisits" resultType="int">
+    <select id="getTodayVisits" resultType="long">
         SELECT NVL(visit_count, 0)
         FROM site_visits
         WHERE visit_date = TRUNC(SYSDATE)
     </select>
 
-    <select id="getTotalVisits" resultType="int">
+    <select id="getTotalVisits" resultType="long">
         SELECT NVL(SUM(visit_count), 0)
         FROM site_visits
     </select>