redis 설정 수정 및 업스태시 레디스 폴백 추가

src/main/java/com/dnd/moddo/common/config/CacheConfig.java

@@ -0,0 +1,97 @@
+package com.dnd.moddo.common.config;
+
+import java.time.Duration;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.cache.Cache;
+import org.springframework.cache.CacheManager;
+import org.springframework.cache.annotation.CachingConfigurer;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.cache.concurrent.ConcurrentMapCacheManager;
+import org.springframework.cache.interceptor.CacheErrorHandler;
+import org.springframework.cache.support.CompositeCacheManager;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Primary;
+import org.springframework.context.annotation.Profile;
+import org.springframework.data.redis.cache.RedisCacheConfiguration;
+import org.springframework.data.redis.cache.RedisCacheManager;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+
+import lombok.extern.slf4j.Slf4j;
+
+@EnableCaching
+@Configuration
+@Profile("!test")
+@Slf4j
+public class CacheConfig implements CachingConfigurer { // CachingConfigurer 인터페이스 구현
+
+	@Value("${spring.data.redis.host}")
+	private String host;
+
+	@Value("${spring.data.redis.port}")
+	private int port;
+
+	@Value("${spring.data.redis.password:}")
+	private String password;
+
+	@Bean
+	public RedisConnectionFactory redisConnectionFactory() {
+		RedisStandaloneConfiguration config = new RedisStandaloneConfiguration(host, port);
+		if (password != null && !password.isBlank()) {
+			config.setPassword(password);
+		}
+		LettuceConnectionFactory factory = new LettuceConnectionFactory(config);
+		factory.afterPropertiesSet();
+		factory.setValidateConnection(false);
+		return factory;
+	}
+
+	@Bean
+	@Primary
+	public CacheManager cacheManager(RedisConnectionFactory factory) {
+		// 1. Redis 캐시 설정
+		RedisCacheManager redisCacheManager = RedisCacheManager.builder(factory)
+			.cacheDefaults(RedisCacheConfiguration.defaultCacheConfig()
+				.entryTtl(Duration.ofMinutes(10)))
+			.build();
+
+		// 2. Redis 실패 시 바라볼 로컬 캐시 (Fallback)
+		ConcurrentMapCacheManager localCacheManager = new ConcurrentMapCacheManager("group", "user", "settlements");
+
+		// 3. 복합 캐시 매니저: 순서대로 캐시 시도
+		CompositeCacheManager compositeCacheManager = new CompositeCacheManager(redisCacheManager, localCacheManager);
+		compositeCacheManager.setFallbackToNoOpCache(true);
+		return compositeCacheManager;
+	}
+
+	/**
+	 * 실행 중 Redis 사망 시 예외를 가로채서 처리
+	 */
+	@Override
+	public CacheErrorHandler errorHandler() {
+		return new CacheErrorHandler() {
+			@Override
+			public void handleCacheGetError(RuntimeException exception, Cache cache, Object key) {
+				log.error("Redis 연결 실패(GET) - 캐시 없이 진행: {}", exception.getMessage());
+			}
+
+			@Override
+			public void handleCachePutError(RuntimeException exception, Cache cache, Object key, Object value) {
+				log.error("Redis 연결 실패(PUT) - 캐시 없이 진행: {}", exception.getMessage());
+			}
+
+			@Override
+			public void handleCacheEvictError(RuntimeException exception, Cache cache, Object key) {
+				log.error("Redis 연결 실패(EVICT) - 캐시 없이 진행: {}", exception.getMessage());
+			}
+
+			@Override
+			public void handleCacheClearError(RuntimeException exception, Cache cache) {
+				log.error("Redis 연결 실패(CLEAR) - 캐시 없이 진행: {}", exception.getMessage());
+			}
+		};
+	}
+}

src/main/java/com/dnd/moddo/event/domain/memberExpense/MemberExpense.java

@@ -29,7 +29,7 @@ public class MemberExpense {
 	private Long expenseId;
 
 	@ManyToOne(fetch = FetchType.LAZY)
-	@JoinColumn(name = "appointment_member_id")
+	@JoinColumn(name = "member_id")
 	private Member member;
 
 	private Long amount;

src/main/resources/application.yml

@@ -14,7 +14,10 @@ spring:
         jdbc:
           time_zone: Asia/Seoul
     show-sql: true
-
+  data:
+    redis:
+      timeout: 300ms
+      connect-timeout: 300ms
 server:
   address: 0.0.0.0
   port: 8080