[UNI-255] fix: FastJson 사용으로 인한 프로메테우스 오류 해결

.github/workflows/be-cd.yml

@@ -4,6 +4,7 @@ on:
   push:
     branches:
       - be
+      - refactor/UNI-255-v3
 
 jobs:
   uniro-ci:

uniro_backend/src/main/java/com/softeer5/uniro_backend/admin/service/AdminService.java

@@ -12,7 +12,7 @@
 import com.softeer5.uniro_backend.common.exception.custom.AdminException;
 import com.softeer5.uniro_backend.common.exception.custom.RouteException;
 import com.softeer5.uniro_backend.common.exception.custom.UnivException;
-import com.softeer5.uniro_backend.common.redis.RedisService;
+import com.softeer5.uniro_backend.external.redis.RedisService;
 import com.softeer5.uniro_backend.map.dto.response.AllRoutesInfo;
 import com.softeer5.uniro_backend.map.dto.response.GetChangedRoutesByRevisionResDTO;
 import com.softeer5.uniro_backend.map.dto.response.GetRiskRoutesResDTO;

uniro_backend/src/main/java/com/softeer5/uniro_backend/common/config/RedisConfig.java

@@ -0,0 +1,46 @@
+package com.softeer5.uniro_backend.common.config;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.data.redis.connection.RedisConnectionFactory;
+import org.springframework.data.redis.connection.lettuce.LettuceConnectionFactory;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
+import org.springframework.data.redis.serializer.StringRedisSerializer;
+
+import com.alibaba.fastjson2.support.spring6.data.redis.FastJsonRedisSerializer;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.SerializationFeature;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import com.softeer5.uniro_backend.map.service.vo.LightRoutes;
+
+@Configuration
+public class RedisConfig {
+
+	@Bean
+	public RedisTemplate<String, Object> redisTemplate(LettuceConnectionFactory connectionFactory) {
+		RedisTemplate<String, Object> template = new RedisTemplate<>();
+		template.setConnectionFactory(connectionFactory);
+
+		ObjectMapper objectMapper = new ObjectMapper();
+		objectMapper.registerModule(new JavaTimeModule());
+		objectMapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS); // ISO-8601 형식
+		objectMapper.activateDefaultTyping(objectMapper.getPolymorphicTypeValidator(),
+			ObjectMapper.DefaultTyping.NON_FINAL); // 타입 정보 추가
+
+		StringRedisSerializer stringSerializer = new StringRedisSerializer();
+		GenericJackson2JsonRedisSerializer jsonSerializer = new GenericJackson2JsonRedisSerializer(objectMapper);
+
+		// Key serializer 설정
+		template.setKeySerializer(stringSerializer);
+		template.setHashKeySerializer(stringSerializer);
+
+		// Value serializer 설정
+		template.setValueSerializer(jsonSerializer);
+		template.setHashValueSerializer(jsonSerializer);
+
+		template.afterPropertiesSet();
+		return template;
+	}
+}

uniro_backend/src/main/java/com/softeer5/uniro_backend/common/config/WebMvcConfig.java

@@ -7,6 +7,7 @@
 import org.springframework.context.annotation.Configuration;
 import org.springframework.http.HttpMethod;
 import org.springframework.http.MediaType;
+import org.springframework.http.converter.ByteArrayHttpMessageConverter;
 import org.springframework.http.converter.HttpMessageConverter;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
@@ -35,22 +36,23 @@ public WebMvcConfig(AdminInterceptor adminInterceptor, JwtInterceptor jwtInterce
 
 	@Override
 	public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+		// 기존 FastJson 컨버터 설정
 		FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
-		//custom configuration...
 		FastJsonConfig config = new FastJsonConfig();
 		config.setDateFormat("yyyy-MM-dd HH:mm:ss");
 		config.setReaderFeatures(JSONReader.Feature.FieldBased, JSONReader.Feature.SupportArrayToBean);
 		config.setWriterFeatures(JSONWriter.Feature.WriteMapNullValue, JSONWriter.Feature.PrettyFormat);
 		converter.setFastJsonConfig(config);
 		converter.setDefaultCharset(StandardCharsets.UTF_8);
-
 		converter.setSupportedMediaTypes(List.of(
-			MediaType.APPLICATION_JSON, // application/json 지원
+			MediaType.APPLICATION_JSON,
 			new MediaType("application", "json", StandardCharsets.UTF_8),
 			new MediaType("application", "openmetrics-text", StandardCharsets.UTF_8)
 		));
 
 		converters.add(0, converter);
+		converters.add(1, new ByteArrayHttpMessageConverter());
+
 		converters.forEach(c -> log.info("✔ {}", c.getClass().getName()));
 	}
 

uniro_backend/src/main/java/com/softeer5/uniro_backend/common/redis/RedisService.java → uniro_backend/src/main/java/com/softeer5/uniro_backend/external/redis/RedisService.java

@@ -1,4 +1,4 @@
-package com.softeer5.uniro_backend.common.redis;
+package com.softeer5.uniro_backend.external.redis;
 
 import java.time.Duration;
 import java.util.HashMap;

uniro_backend/src/main/java/com/softeer5/uniro_backend/map/controller/MapController.java

@@ -1,5 +1,6 @@
 package com.softeer5.uniro_backend.map.controller;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.softeer5.uniro_backend.admin.service.AdminService;
 import com.softeer5.uniro_backend.map.dto.request.CreateBuildingRouteReqDTO;
 import com.softeer5.uniro_backend.map.dto.request.CreateRoutesReqDTO;
@@ -14,16 +15,20 @@
 import com.softeer5.uniro_backend.map.service.MapService;
 
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
 import org.springframework.web.servlet.mvc.method.annotation.SseEmitter;
 
 import java.util.List;
 
 @RequiredArgsConstructor
 @RestController
+@Slf4j
 public class MapController implements MapApi {
 
 	private final MapService mapService;
 	private final AdminService adminService;
+	private final ObjectMapper objectMapper;
 
 	@GetMapping("/{univId}/routes-local")
 	public ResponseEntity<GetAllRoutesResDTO> getAllRoutesAndNodesByLocalCache(@PathVariable("univId") Long univId){
@@ -35,7 +40,24 @@ public ResponseEntity<GetAllRoutesResDTO> getAllRoutesAndNodesByLocalCache(@Path
 	@GetMapping("/{univId}/routes")
 	public ResponseEntity<GetAllRoutesResDTO> getAllRoutesAndNodes(@PathVariable("univId") Long univId){
 		GetAllRoutesResDTO allRoutes = mapService.getAllRoutes(univId);
-		return ResponseEntity.ok().body(allRoutes);
+
+		ResponseEntity<GetAllRoutesResDTO> body = ResponseEntity.ok().body(allRoutes);
+
+		long duration = 0;
+		try{
+			long startTime = System.nanoTime();
+			String json = objectMapper.writeValueAsString(body); // JSON 직렬화
+			long endTime = System.nanoTime();
+
+			duration = (endTime - startTime) / 1_000_000; // ms 단위 변환
+		}
+		catch (Exception e){
+
+		}
+
+		log.info("🧪🧪🧪🧪🧪Serialization Time: {} ms", duration);
+
+		return body;
 	}
 
 	@Override

uniro_backend/src/main/java/com/softeer5/uniro_backend/map/service/MapService.java

@@ -17,7 +17,7 @@
 import com.softeer5.uniro_backend.common.exception.custom.NodeException;
 import com.softeer5.uniro_backend.common.exception.custom.RouteCalculationException;
 import com.softeer5.uniro_backend.common.exception.custom.RouteException;
-import com.softeer5.uniro_backend.common.redis.RedisService;
+import com.softeer5.uniro_backend.external.redis.RedisService;
 import com.softeer5.uniro_backend.external.MapClient;
 import com.softeer5.uniro_backend.map.dto.request.CreateRoutesReqDTO;
 import com.softeer5.uniro_backend.map.entity.Node;