From fd009cd6293ac52ae3e62687d68a22d217098b10 Mon Sep 17 00:00:00 2001
From: eujjong18 <eujjong18@naver.com>
Date: Tue, 22 Sep 2026 16:15:50 +0900
Subject: [PATCH] =?UTF-8?q?[chore=20#140]=20=ED=86=A0=ED=81=B0=20=EC=9E=AC?=
 =?UTF-8?q?=EB=B0=9C=EA=B8=89=20=EC=9A=94=EC=B2=AD=20=EC=B6=94=EC=A0=81?=
 =?UTF-8?q?=EC=9A=A9=20=EB=A1=9C=EA=B7=B8=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../MoiveBE/domain/auth/controller/AuthController.java   | 5 +++++
 .../moive/MoiveBE/domain/auth/service/AuthService.java   | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/main/java/com/moive/MoiveBE/domain/auth/controller/AuthController.java b/src/main/java/com/moive/MoiveBE/domain/auth/controller/AuthController.java
index bb9997f..ea63539 100644
--- a/src/main/java/com/moive/MoiveBE/domain/auth/controller/AuthController.java
+++ b/src/main/java/com/moive/MoiveBE/domain/auth/controller/AuthController.java
@@ -13,6 +13,9 @@
 
 import org.springframework.web.bind.annotation.*;
 
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
 @Tag(name = "Auth", description = "인증 관련 API")
 @RestController
 @RequiredArgsConstructor
@@ -58,6 +61,8 @@ public BaseResponse<TokenResponse> signup(
     public BaseResponse<TokenResponse> reissue(
             @Valid @RequestBody ReissueRequest request
     ) {
+        log.info("[AUTH] /api/auth/reissue 요청 수신");
+
         return BaseResponse.success(
                 authService.reissue(request)
         );
diff --git a/src/main/java/com/moive/MoiveBE/domain/auth/service/AuthService.java b/src/main/java/com/moive/MoiveBE/domain/auth/service/AuthService.java
index 6dca889..8276c9e 100644
--- a/src/main/java/com/moive/MoiveBE/domain/auth/service/AuthService.java
+++ b/src/main/java/com/moive/MoiveBE/domain/auth/service/AuthService.java
@@ -22,6 +22,7 @@
 import java.util.HexFormat;
 
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.dao.DataIntegrityViolationException;
 import org.springframework.transaction.annotation.Transactional;
@@ -30,6 +31,7 @@
 import java.util.Optional;
 import java.util.List;
 
+@Slf4j
 @Service
 @RequiredArgsConstructor
 public class AuthService {
@@ -266,6 +268,8 @@ public TokenResponse reissue(ReissueRequest request) {
         // 2. Refresh Token에서 userId 추출
         Long userId = jwtTokenProvider.getUserId(refreshToken);
 
+        log.info("[AUTH] reissue 토큰 검증 통과 - userId={}", userId);
+
         // 3. User 조회
         User user = userRepository.findByIdForUpdate(userId)
                 .orElseThrow(() ->
@@ -281,6 +285,9 @@ public TokenResponse reissue(ReissueRequest request) {
         if (user.getRefreshToken() == null
                 || !user.getRefreshToken().equals(hashedRefreshToken)) {
 
+            log.warn("[AUTH] reissue 실패(토큰 불일치) - userId={}, storedTokenExpiresAt={}",
+                    userId, user.getRefreshTokenExpiresAt());
+
             throw new CustomException(
                     CustomErrorCode.INVALID_REFRESH_TOKEN
             );
@@ -299,6 +306,8 @@ public TokenResponse reissue(ReissueRequest request) {
                 LocalDateTime.now().plusDays(14)
         );
 
+        log.info("[AUTH] reissue 성공 - userId={}", userId);
+
         // 7. 새 토큰 반환
         return new TokenResponse(
                 newAccessToken,