월 17,600원
5개월 할부 시다른 수강생들이 자주 물어보는 질문이 궁금하신가요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
도커 관련하여 질문이 있습니다.
안녕하세요. 강의 잘 듣고 있습니다.도커를 이용하여 linux기반으로한 mysql 컨테이너를 만들었는데, 그럼 해당 컨테이너는 오직 3306포트를 사용하는 mysql만을 위한 컨테이너 인가요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
HttpTraceRepository를 찾을수가없는데 어떻게해야하나요
메이븐에 dependency추가해도HttpTraceRepository를 찾을수없는데 어떻게 진행해야할까요?ㅜ
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
로그인 실패 시 응답이 html로 옵니다.
비밀번호를 틀리게 주어 로그인 시도했을 경우 강의와 다르게 응답이 html로 옵니다.. 어떻게 강의처럼 json으로 바꿀 수 있나요??<!doctype html> <html lang="en"> <head> <title>HTTP Status 401 – Unauthorized</title> <style type="text/css"> body { font-family: Tahoma, Arial, sans-serif; } h1, h2, h3, b { color: white; background-color: #525D76; } h1 { font-size: 22px; } h2 { font-size: 16px; } h3 { font-size: 14px; } p { font-size: 12px; } a { color: black; } .line { height: 1px; background-color: #525D76; border: none; } </style> </head> <body> <h1>HTTP Status 401 – Unauthorized</h1> <hr class="line" /> <p><b>Type</b> Status Report</p> <p><b>Message</b> Unauthorized</p> <p><b>Description</b> The request has not been applied because it lacks valid authentication credentials for the target resource.</p> <hr class="line" /> <h3>Apache Tomcat/9.0.62</h3> </body> </html> 강의 화면
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
apigateway-service에서 @EnableDiscoveryClient 관련 질문드립니다.
안녕하세요! 먼저 좋은 강의 감사드립니다. 수강 중 궁금한 부분이 생겨 글 작성합니다.user-service 프로젝트에서는 @EnableDiscoveryClient 을 추가해주었는데, apigateway-service와 catalog-service에서는 @EnableDiscoveryClient를 추가해주지 않아서 그 이유가 궁금하여 질문드립니다.@EnableDiscoveryClient 는 eureka server에 등록하기 위한 어노테이션이라고 이해했습니다.user-service 와 마찬가지로 apigateway-service, catalog-service에도 아래 설정은 추가되어서 eureka server에 등록되는 것이라고 생각하였는데 왜 위 어노테이션은 빠진 것인지 궁금했습니다! 그리고 위 어노테이션과 아래 설정의 정확한 의미 차이도 궁금합니다. 감사합니다!!eureka: client: register-with-eureka: true fetch-registry: true
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
API Gateway를 통해 라우팅 시 user service로 전달되는 요청 url에 대해 질문 드립니다..!
안녕하세요 선생님 강의 정말 잘 듣고 있습니다..!혹시 더 좋은 방법이 있을까 싶어 질문 드립니다. spring: application: name: api-gateway cloud: gateway: routes: - id: A uri: lb://USER-SERVICE predicates: -Path=/user-service/**위와 같이 gateway 설정을 하게 되면,user service에도 /user-service/ 라는 path가 같이 합해져 요청 url로 전달되어,Controller의 /user, /health-check, /welcome 같은 매핑을 모두 /user-service/user, /user-service/health-check, /user-service/welcome 으로 변경하라고 말씀 주셨습니다혹시 이렇게 컨트롤러의 매핑 정보를 변경하지 않고,api gateway 단에서 필터를 이용해 사용자 요청 url을 조작해서 라우팅 할 수 있는 방법이 있을까요..??
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
jar와 war 패키징 차이 관해서 여쭤보고 싶습니다!
users microservice 프로젝트 생성 시, jar와 war의 차이에 대해서 언급해주신 부분에 대해 궁금한 점이 있어 질문 드립니다! 설명 해주시기로, jar로 패키징 시 임베디드 톰캣을 통해 실행이 된다고 하셨는데, IDE에서 프로젝트 실행 시에도 jar는 jre를 통해서 실행되는 것이 아닌가요?.. war로 패키징하는 프로젝트가 웹 어플리케이션 구조로 임베디드 톰캣에 의해 기동된다고 알고 있어서 혼란스러운 부분이 있어서요! 제가 IDE에서 기동할 때와 그냥 서버 위에서 기동할 때를 혼돈하고 있는 걸까요??..
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
/health_check를 실행했을 때, 값이 바뀌지 않습니다.
안녕하세요.user-service application.ymlspring: application: name: user-service cloud: config: name: ecommerce config: import: optional:configserver:http://localhost:8888포스트맨에서, POST방식으로 actuator/refresh를 실행했을 때,org.springframework.cloud.config.server.environment.NoSuchLabelException: No such label: main위와 같은 에러가 발생해서 main 브랜치를 추가했더니, actuator/refresh를 실행했을 때 에러가 발생하지 않게 되었습니다.예를 들어, token.secret 값을 변경하고 main브랜치에 커밋한 후, actuator/refresh를 실행하면 정상적으로 refresh가 되는 것 같습니다.[ "config.client.version" ]http://localhost:8888/ecommerce/default 에서도 값이 변경되는 것을 확인했습니다. "source": { "token.expiration_time": 86400000, "token.secret": "user_token2", "gateway.ip": "192.168.0.8" }그런데, /health_check를 실행해보면 새로운 값으로 변경되지 않습니다.It's working in user service, port(local.server.port)=61250, port(server.port)=0, token secret=user_token1, token expiration time=86400000어디가 잘못된 건지 혹시 알 수 있을까요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
안녕하세요 강사님 질문있습니다.
현재 스프링부트 버전맞추고 클라우드버전도 강사님과 똑같이 맞췄는데 유레카서버 띄우고 유저서비스 띄우면 유레카에서 발견되는데 그 이후에 유저서비스를 종료하면 유레카에서도 사라져야하지않나요?? 그런데 저는 계속 남아있습니다.. 새로 유저서비스를 실행하면 또 등록이 되고 있는 상태인데 어떻게 해결할 수 있을까요??
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
JdbcSourcdConnector 에서 mariadb 드라이버 복사 질문
제가 ./m2 > repository > org 에 접속을 하면 여러 db가 보이는데 mariadb만 안보입니다. 도대체 이게 어떻게 된 일이죠...? 그래서 이제 MariaDB 사용하기 위해서 해당 jar 파일을 복사 해서 원하는 위치에 넣어야 하는데...그걸 못해서 진도가 안나가고 있습니다...
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
docker run -e environment 반영 안되는 문제
안녕하세요,로컬에서 테스트 마치고 도커로 프로비저닝 작업하고 있는 중에 이슈가 생겨 문의드립니다.// Docker image build docker build --tag msa-api-gateway:1.0 . // Docker container run docker run -d -p 8000:8000 --network msa-network \ -e "spring.cloud.config.uri=http://config-server:8888" \ -e "spring.rabbitmq.host=rabbitmq" \ -e "eureka.client.serviceUrl.defaultZone=http://service-discovery:8761/" \ --name api-gateway \ msa-api-gateway:1.0위 커맨드로 api-gateway 도커 이미지 빌드 후 실행시 로그를 보니 connection failed 이슈가 발생해서 원인을 확인했는데요,-e 옵션으로 준eureka.client.serviceUrl.defaultZone=http://service-discovery:8761/이 반영이 안되고 기존 application.yml에 정의되어 있는 localhost:8761/eureka가 호출되어 문제가 되는 것으로 확인됩니다.(application.yml 내에서 직접 defaultZone 수정하니깐 정상 동작됩니다. 또 확인차 application.yml에선 service-discovery로 하고 -e 옵션으로 localhost로 설정하여 의도적으로 에러를 발생시키려고 했는데, 역시나 반영이 안되고 정상적으로 동작되었습니다.)참고로 application.yml은 별도 github에 정의되어 있고 config server로 가져오고 있는데요, 우선순위같은게 있을까요? 도움 부탁드립니다.(추가)기존에 application.yml에 spring.rabbitmq.host:127.0.0.1 로 되어있는 것에 -e 옵션으로 rabbitmq로 실행할 때도 반영이 안되네욥ㅠ application.yml에서 직접 rabbitmq로 수정해줘야 동작합니다.Config github 내에서 관리하는 api-gateway-server.yml 입니다.server: port: 8000 eureka: client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://service-discovery:8761/eureka # http://localhost:8761/eureka spring: application: name: api-gateway-server rabbitmq: # Spring Cloud Bus 적용을 위한 RabbitMQ host: rabbitmq #127.0.0.1 port: 5672 # rabbitmq admin port는 15672 username: guest password: guest cloud: gateway: default-filters: - name: GlobalFilter args: baseMessage: Spring Cloud Gateway Global Filter preLogger: true postLogger: true routes: - id: user-service uri: lb://USER-SERVICE predicates: - Path=/user-service/login # 로그인 - Method=POST filters: - RemoveRequestHeader=Cookie - RewritePath=/user-service/(?<segment>.*), /$\{segment} - id: user-service uri: lb://USER-SERVICE predicates: - Path=/user-service/users # 회원가입 - Method=POST filters: - RemoveRequestHeader=Cookie - RewritePath=/user-service/(?<segment>.*), /$\{segment} - id: user-service uri: lb://USER-SERVICE predicates: - Path=/user-service/actuator/** - Method=GET, POST filters: - RemoveRequestHeader=Cookie - RewritePath=/user-service/(?<segment>.*), /$\{segment} - id: user-service uri: lb://USER-SERVICE predicates: - Path=/user-service/** - Method=GET filters: - RemoveRequestHeader=Cookie - RewritePath=/user-service/(?<segment>.*), /$\{segment} - AuthorizationHeaderFilter - id: order-service uri: lb://ORDER-SERVICE predicates: - Path=/order-service/** - Method=GET,POST filters: - RemoveRequestHeader=Cookie - RewritePath=/order-service/(?<segment>.*), /$\{segment} - id: catalog-service uri: lb://CATALOG-SERVICE predicates: - Path=/catalog-service/** - Method=GET,POST filters: - RemoveRequestHeader=Cookie - RewritePath=/catalog-service/(?<segment>.*), /$\{segment} management: # springboot actuator(운영중인 어플리케이션 모니터링 기능) 옵션 설정 endpoints: web: exposure: include: refresh, health, beans, httptrace, info, busrefresh token: # User-service Spring Security 인증토큰 expiration_time: 86400000 secret: userTokenForMSASkeletonTemplateHS256LongerThan256Bytes 혹시 몰라 도커 에러 메세지 남깁니다. . ____ _ __ _ _ /\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \ ( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \ \\/ ___)| |_)| | | | | || (_| | ) ) ) ) ' |____| .__|_| |_|_| |_\__, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.7.5) 2022-12-28 20:50:19.284 INFO 1 --- [ main] c.c.c.ConfigServicePropertySourceLocator : Fetching config from server at : http://config-server:8888 2022-12-28 20:50:19.697 INFO 1 --- [ main] c.c.c.ConfigServicePropertySourceLocator : Located environment: name=api-gateway-server, profiles=[default], label=null, version=32b9a3dfd58bb8bb5ef5e7a412b2433fc2d94791, state=null 2022-12-28 20:50:19.699 INFO 1 --- [ main] b.c.PropertySourceBootstrapConfiguration : Located property source: [BootstrapPropertySource {name='bootstrapProperties-configClient'}, BootstrapPropertySource {name='bootstrapProperties-https://github.daumkakao.com/ch-svc-dev2/template-cloud-config/api-gateway-server/api-gateway-server.yml'}] 2022-12-28 20:50:19.708 INFO 1 --- [ main] c.a.ApiGatewayApplication : No active profile set, falling back to 1 default profile: "default" 2022-12-28 20:50:20.482 INFO 1 --- [ main] faultConfiguringBeanFactoryPostProcessor : No bean named 'errorChannel' has been explicitly defined. Therefore, a default PublishSubscribeChannel will be created. 2022-12-28 20:50:20.492 INFO 1 --- [ main] faultConfiguringBeanFactoryPostProcessor : No bean named 'integrationHeaderChannelRegistry' has been explicitly defined. Therefore, a default DefaultHeaderChannelRegistry will be created. 2022-12-28 20:50:20.571 INFO 1 --- [ main] o.s.cloud.context.scope.GenericScope : BeanFactory id=5f2180db-75bc-34c4-8dcd-bd49c1d7cf8d 2022-12-28 20:50:20.633 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.integration.config.IntegrationManagementConfiguration' of type [org.springframework.integration.config.IntegrationManagementConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2022-12-28 20:50:20.637 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'integrationChannelResolver' of type [org.springframework.integration.support.channel.BeanFactoryChannelResolver] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2022-12-28 20:50:20.646 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration' of type [org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2022-12-28 20:50:20.647 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration$ReactorDeferringLoadBalancerFilterConfig' of type [org.springframework.cloud.client.loadbalancer.reactive.LoadBalancerBeanPostProcessorAutoConfiguration$ReactorDeferringLoadBalancerFilterConfig] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2022-12-28 20:50:20.648 INFO 1 --- [ main] trationDelegate$BeanPostProcessorChecker : Bean 'reactorDeferringLoadBalancerExchangeFilterFunction' of type [org.springframework.cloud.client.loadbalancer.reactive.DeferringLoadBalancerExchangeFilterFunction] is not eligible for getting processed by all BeanPostProcessors (for example: not eligible for auto-proxying) 2022-12-28 20:50:21.347 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [After] 2022-12-28 20:50:21.347 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Before] 2022-12-28 20:50:21.347 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Between] 2022-12-28 20:50:21.347 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Cookie] 2022-12-28 20:50:21.347 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Header] 2022-12-28 20:50:21.348 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Host] 2022-12-28 20:50:21.351 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Method] 2022-12-28 20:50:21.352 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Path] 2022-12-28 20:50:21.352 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Query] 2022-12-28 20:50:21.352 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [ReadBody] 2022-12-28 20:50:21.352 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [RemoteAddr] 2022-12-28 20:50:21.352 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [XForwardedRemoteAddr] 2022-12-28 20:50:21.352 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [Weight] 2022-12-28 20:50:21.358 INFO 1 --- [ main] o.s.c.g.r.RouteDefinitionRouteLocator : Loaded RoutePredicateFactory [CloudFoundryRouteService] 2022-12-28 20:50:21.824 INFO 1 --- [ main] o.s.b.a.e.web.EndpointLinksResolver : Exposing 6 endpoint(s) beneath base path '/actuator' 2022-12-28 20:50:22.059 INFO 1 --- [ main] o.s.c.s.m.DirectWithAttributesChannel : Channel 'application-1.springCloudBusInput' has 1 subscriber(s). 2022-12-28 20:50:22.142 INFO 1 --- [ main] DiscoveryClientOptionalArgsConfiguration : Eureka HTTP Client uses RestTemplate. 2022-12-28 20:50:22.221 WARN 1 --- [ main] iguration$LoadBalancerCaffeineWarnLogger : Spring Cloud LoadBalancer is currently working with the default cache. While this cache implementation is useful for development and tests, it's recommended to use Caffeine cache in production.You can switch to using Caffeine cache, by adding it and org.springframework.cache.caffeine.CaffeineCacheManager to the classpath. 2022-12-28 20:50:22.274 INFO 1 --- [ main] o.s.i.endpoint.EventDrivenConsumer : Adding {logging-channel-adapter:_org.springframework.integration.errorLogger} as a subscriber to the 'errorChannel' channel 2022-12-28 20:50:22.275 INFO 1 --- [ main] o.s.i.channel.PublishSubscribeChannel : Channel 'application-1.errorChannel' has 1 subscriber(s). 2022-12-28 20:50:22.275 INFO 1 --- [ main] o.s.i.endpoint.EventDrivenConsumer : started bean '_org.springframework.integration.errorLogger' 2022-12-28 20:50:22.284 INFO 1 --- [ main] o.s.c.n.eureka.InstanceInfoFactory : Setting initial instance status as: STARTING 2022-12-28 20:50:22.353 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Initializing Eureka in region us-east-1 2022-12-28 20:50:22.358 INFO 1 --- [ main] c.n.d.s.r.aws.ConfigClusterResolver : Resolving eureka endpoints via configuration 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Disable delta property : false 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Single vip registry refresh property : null 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Force full registry fetch : false 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Application is null : false 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Registered Applications size is zero : true 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Application version is -1: true 2022-12-28 20:50:22.388 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Getting all instance registry info from the eureka server 2022-12-28 20:50:22.542 INFO 1 --- [ main] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error. endpoint=DefaultEndpoint{ serviceUrl='http://localhost:8761/eureka/}, exception=I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused stacktrace=org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711) at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:602) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.getApplicationsInternal(RestTemplateEurekaHttpClient.java:145) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.getApplications(RestTemplateEurekaHttpClient.java:135) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:121) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:80) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1101) at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:1014) at com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:441) at com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:283) at com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:279) at org.springframework.cloud.netflix.eureka.CloudEurekaClient.<init>(CloudEurekaClient.java:66) at org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration.eurekaClient(EurekaClientAutoConfiguration.java:295) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1(AbstractBeanFactory.java:374) at org.springframework.cloud.context.scope.GenericScope$BeanLifecycleWrapper.getBean(GenericScope.java:376) at org.springframework.cloud.context.scope.GenericScope.get(GenericScope.java:179) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:371) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.aop.target.SimpleBeanTargetSource.getTarget(SimpleBeanTargetSource.java:35) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration.getTargetObject(EurekaRegistration.java:127) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration.getEurekaClient(EurekaRegistration.java:115) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282) at org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:485) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:708) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration$$EnhancerBySpringCGLIB$$e271b02f.getEurekaClient(<generated>) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaServiceRegistry.maybeInitializeClient(EurekaServiceRegistry.java:54) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaServiceRegistry.register(EurekaServiceRegistry.java:38) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaAutoServiceRegistration.start(EurekaAutoServiceRegistration.java:83) at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh(ReactiveWebServerApplicationContext.java:66) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1295) at com.apigatewayserver.ApiGatewayApplication.main(ApiGatewayApplication.java:20) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49) at org.springframework.boot.loader.Launcher.launch(Launcher.java:108) at org.springframework.boot.loader.Launcher.launch(Launcher.java:58) at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65) Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:87) at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776) ... 76 more Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:576) at java.base/sun.nio.ch.Net.connect(Net.java:565) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:332) at java.base/java.net.Socket.connect(Socket.java:631) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ... 89 more 2022-12-28 20:50:22.543 WARN 1 --- [ main] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused 2022-12-28 20:50:22.543 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000 - was unable to refresh its cache! This periodic background refresh will be retried in 30 seconds. status = Cannot execute request on any known server stacktrace = com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1101) at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:1014) at com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:441) at com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:283) at com.netflix.discovery.DiscoveryClient.<init>(DiscoveryClient.java:279) at org.springframework.cloud.netflix.eureka.CloudEurekaClient.<init>(CloudEurekaClient.java:66) at org.springframework.cloud.netflix.eureka.EurekaClientAutoConfiguration$RefreshableEurekaClientConfiguration.eurekaClient(EurekaClientAutoConfiguration.java:295) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154) at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653) at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1352) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$1(AbstractBeanFactory.java:374) at org.springframework.cloud.context.scope.GenericScope$BeanLifecycleWrapper.getBean(GenericScope.java:376) at org.springframework.cloud.context.scope.GenericScope.get(GenericScope.java:179) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:371) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.aop.target.SimpleBeanTargetSource.getTarget(SimpleBeanTargetSource.java:35) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration.getTargetObject(EurekaRegistration.java:127) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration.getEurekaClient(EurekaRegistration.java:115) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:282) at org.springframework.cloud.context.scope.GenericScope$LockedScopedProxyFactoryBean.invoke(GenericScope.java:485) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:708) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaRegistration$$EnhancerBySpringCGLIB$$e271b02f.getEurekaClient(<generated>) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaServiceRegistry.maybeInitializeClient(EurekaServiceRegistry.java:54) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaServiceRegistry.register(EurekaServiceRegistry.java:38) at org.springframework.cloud.netflix.eureka.serviceregistry.EurekaAutoServiceRegistration.start(EurekaAutoServiceRegistration.java:83) at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh(ReactiveWebServerApplicationContext.java:66) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:734) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:408) at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1306) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1295) at com.apigatewayserver.ApiGatewayApplication.main(ApiGatewayApplication.java:20) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49) at org.springframework.boot.loader.Launcher.launch(Launcher.java:108) at org.springframework.boot.loader.Launcher.launch(Launcher.java:58) at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65) 2022-12-28 20:50:22.543 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Initial registry fetch from primary servers failed 2022-12-28 20:50:22.544 WARN 1 --- [ main] com.netflix.discovery.DiscoveryClient : Using default backup registry implementation which does not do anything. 2022-12-28 20:50:22.544 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Initial registry fetch from backup servers failed 2022-12-28 20:50:22.548 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Starting heartbeat executor: renew interval is: 30 2022-12-28 20:50:22.555 INFO 1 --- [ main] c.n.discovery.InstanceInfoReplicator : InstanceInfoReplicator onDemand update allowed rate per min is 4 2022-12-28 20:50:22.564 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Discovery Client initialized at timestamp 1672260622563 with initial instances count: 0 2022-12-28 20:50:22.566 INFO 1 --- [ main] o.s.c.n.e.s.EurekaServiceRegistry : Registering application API-GATEWAY-SERVER with eureka with status UP 2022-12-28 20:50:22.568 INFO 1 --- [ main] com.netflix.discovery.DiscoveryClient : Saw local status change event StatusChangeEvent [timestamp=1672260622568, current=UP, previous=STARTING] 2022-12-28 20:50:22.569 INFO 1 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000: registering service... 2022-12-28 20:50:22.613 INFO 1 --- [nfoReplicator-0] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error. endpoint=DefaultEndpoint{ serviceUrl='http://localhost:8761/eureka/}, exception=I/O error on POST request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused stacktrace=org.springframework.web.client.ResourceAccessException: I/O error on POST request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711) at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:602) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.register(RestTemplateEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:121) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:80) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876) at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:831) Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:87) at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776) ... 22 more Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:576) at java.base/sun.nio.ch.Net.connect(Net.java:565) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:332) at java.base/java.net.Socket.connect(Socket.java:631) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ... 35 more 2022-12-28 20:50:22.613 WARN 1 --- [nfoReplicator-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: I/O error on POST request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused 2022-12-28 20:50:22.616 WARN 1 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000 - registration failed Cannot execute request on any known server com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101) ~[eureka-client-1.10.17.jar!/:1.10.17] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:831) ~[na:na] 2022-12-28 20:50:22.617 WARN 1 --- [nfoReplicator-0] c.n.discovery.InstanceInfoReplicator : There was a problem with the instance info replicator com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.InstanceInfoReplicator$1.run(InstanceInfoReplicator.java:101) ~[eureka-client-1.10.17.jar!/:1.10.17] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:831) ~[na:na] 2022-12-28 20:50:22.772 INFO 1 --- [ main] c.s.b.r.p.RabbitExchangeQueueProvisioner : declaring queue for inbound: springCloudBus.anonymous.cBaG6SL1Qg64rsAotJWA4A, bound to: springCloudBus 2022-12-28 20:50:22.775 INFO 1 --- [ main] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:22.781 INFO 1 --- [ main] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:22.783 INFO 1 --- [ main] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:22.801 INFO 1 --- [ main] o.s.c.stream.binder.BinderErrorChannel : Channel 'springCloudBus.anonymous.cBaG6SL1Qg64rsAotJWA4A.errors' has 1 subscriber(s). 2022-12-28 20:50:22.803 INFO 1 --- [ main] o.s.c.stream.binder.BinderErrorChannel : Channel 'springCloudBus.anonymous.cBaG6SL1Qg64rsAotJWA4A.errors' has 2 subscriber(s). 2022-12-28 20:50:22.804 INFO 1 --- [ main] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:22.804 INFO 1 --- [ main] o.s.a.r.l.SimpleMessageListenerContainer : Broker not available; cannot force queue declarations during start: java.net.ConnectException: Connection refused 2022-12-28 20:50:22.814 INFO 1 --- [g64rsAotJWA4A-1] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:22.815 INFO 1 --- [ main] o.s.i.a.i.AmqpInboundChannelAdapter : started bean 'inbound.springCloudBus.anonymous.cBaG6SL1Qg64rsAotJWA4A' 2022-12-28 20:50:22.931 INFO 1 --- [ main] o.s.b.web.embedded.netty.NettyWebServer : Netty started on port 8000 2022-12-28 20:50:22.934 INFO 1 --- [ main] .s.c.n.e.s.EurekaAutoServiceRegistration : Updating port to 8000 2022-12-28 20:50:22.969 INFO 1 --- [ main] c.a.ApiGatewayApplication : Started ApiGatewayApplication in 4.45 seconds (JVM running for 4.862) 2022-12-28 20:50:27.878 WARN 1 --- [g64rsAotJWA4A-1] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:27.886 INFO 1 --- [g64rsAotJWA4A-1] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@748d2277: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:27.893 INFO 1 --- [g64rsAotJWA4A-2] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:32.942 WARN 1 --- [g64rsAotJWA4A-2] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:32.945 INFO 1 --- [g64rsAotJWA4A-2] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@419e8443: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:32.948 INFO 1 --- [g64rsAotJWA4A-3] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:38.008 WARN 1 --- [g64rsAotJWA4A-3] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:38.008 INFO 1 --- [g64rsAotJWA4A-3] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@69ca4bfc: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:38.009 INFO 1 --- [g64rsAotJWA4A-4] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:43.062 WARN 1 --- [g64rsAotJWA4A-4] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:43.064 INFO 1 --- [g64rsAotJWA4A-4] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@3e206044: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:43.068 INFO 1 --- [g64rsAotJWA4A-5] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:48.142 WARN 1 --- [g64rsAotJWA4A-5] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:48.142 INFO 1 --- [g64rsAotJWA4A-5] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@46628e2f: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:48.143 INFO 1 --- [g64rsAotJWA4A-6] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:52.551 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Disable delta property : false 2022-12-28 20:50:52.551 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Single vip registry refresh property : null 2022-12-28 20:50:52.551 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Force full registry fetch : false 2022-12-28 20:50:52.551 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Application is null : false 2022-12-28 20:50:52.551 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Registered Applications size is zero : true 2022-12-28 20:50:52.552 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Application version is -1: true 2022-12-28 20:50:52.552 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : Getting all instance registry info from the eureka server 2022-12-28 20:50:52.582 INFO 1 --- [tbeatExecutor-0] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error. endpoint=DefaultEndpoint{ serviceUrl='http://localhost:8761/eureka/}, exception=I/O error on PUT request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused stacktrace=org.springframework.web.client.ResourceAccessException: I/O error on PUT request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711) at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:602) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.sendHeartBeat(RestTemplateEurekaHttpClient.java:99) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:121) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:80) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92) at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:893) at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1457) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:831) Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:87) at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776) ... 20 more Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:576) at java.base/sun.nio.ch.Net.connect(Net.java:565) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:332) at java.base/java.net.Socket.connect(Socket.java:631) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ... 33 more 2022-12-28 20:50:52.582 INFO 1 --- [freshExecutor-0] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error. endpoint=DefaultEndpoint{ serviceUrl='http://localhost:8761/eureka/}, exception=I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused stacktrace=org.springframework.web.client.ResourceAccessException: I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711) at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:602) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.getApplicationsInternal(RestTemplateEurekaHttpClient.java:145) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.getApplications(RestTemplateEurekaHttpClient.java:135) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:121) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:80) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1101) at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:1014) at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1531) at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1498) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:831) Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:87) at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776) ... 23 more Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:576) at java.base/sun.nio.ch.Net.connect(Net.java:565) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:332) at java.base/java.net.Socket.connect(Socket.java:631) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ... 36 more 2022-12-28 20:50:52.582 WARN 1 --- [tbeatExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: I/O error on PUT request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused 2022-12-28 20:50:52.582 WARN 1 --- [freshExecutor-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: I/O error on GET request for "http://localhost:8761/eureka/apps/": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused 2022-12-28 20:50:52.582 INFO 1 --- [freshExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000 - was unable to refresh its cache! This periodic background refresh will be retried in 30 seconds. status = Cannot execute request on any known server stacktrace = com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$6.execute(EurekaHttpClientDecorator.java:137) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.getApplications(EurekaHttpClientDecorator.java:134) at com.netflix.discovery.DiscoveryClient.getAndStoreFullRegistry(DiscoveryClient.java:1101) at com.netflix.discovery.DiscoveryClient.fetchRegistry(DiscoveryClient.java:1014) at com.netflix.discovery.DiscoveryClient.refreshRegistry(DiscoveryClient.java:1531) at com.netflix.discovery.DiscoveryClient$CacheRefreshThread.run(DiscoveryClient.java:1498) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:831) 2022-12-28 20:50:52.582 ERROR 1 --- [tbeatExecutor-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000 - was unable to send heartbeat! com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$3.execute(EurekaHttpClientDecorator.java:92) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.sendHeartBeat(EurekaHttpClientDecorator.java:89) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.DiscoveryClient.renew(DiscoveryClient.java:893) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.DiscoveryClient$HeartbeatThread.run(DiscoveryClient.java:1457) ~[eureka-client-1.10.17.jar!/:1.10.17] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:831) ~[na:na] 2022-12-28 20:50:52.624 INFO 1 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000: registering service... 2022-12-28 20:50:52.636 INFO 1 --- [nfoReplicator-0] c.n.d.s.t.d.RedirectingEurekaHttpClient : Request execution error. endpoint=DefaultEndpoint{ serviceUrl='http://localhost:8761/eureka/}, exception=I/O error on POST request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused stacktrace=org.springframework.web.client.ResourceAccessException: I/O error on POST request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:785) at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:711) at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:602) at org.springframework.cloud.netflix.eureka.http.RestTemplateEurekaHttpClient.register(RestTemplateEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.executeOnNewServer(RedirectingEurekaHttpClient.java:121) at com.netflix.discovery.shared.transport.decorator.RedirectingEurekaHttpClient.execute(RedirectingEurekaHttpClient.java:80) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:120) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876) at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) at java.base/java.lang.Thread.run(Thread.java:831) Caused by: org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:156) at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:376) at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:393) at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236) at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:186) at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89) at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110) at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83) at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56) at org.springframework.http.client.HttpComponentsClientHttpRequest.executeInternal(HttpComponentsClientHttpRequest.java:87) at org.springframework.http.client.AbstractBufferingClientHttpRequest.executeInternal(AbstractBufferingClientHttpRequest.java:48) at org.springframework.http.client.AbstractClientHttpRequest.execute(AbstractClientHttpRequest.java:66) at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:776) ... 21 more Caused by: java.net.ConnectException: Connection refused at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:576) at java.base/sun.nio.ch.Net.connect(Net.java:565) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:332) at java.base/java.net.Socket.connect(Socket.java:631) at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:75) at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:142) ... 34 more 2022-12-28 20:50:52.637 WARN 1 --- [nfoReplicator-0] c.n.d.s.t.d.RetryableEurekaHttpClient : Request execution failed with message: I/O error on POST request for "http://localhost:8761/eureka/apps/API-GATEWAY-SERVER": Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused; nested exception is org.apache.http.conn.HttpHostConnectException: Connect to localhost:8761 [localhost/127.0.0.1] failed: Connection refused 2022-12-28 20:50:52.637 WARN 1 --- [nfoReplicator-0] com.netflix.discovery.DiscoveryClient : DiscoveryClient_API-GATEWAY-SERVER/30a30ddf419f:api-gateway-server:8000 - registration failed Cannot execute request on any known server com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) ~[eureka-client-1.10.17.jar!/:1.10.17] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:831) ~[na:na] 2022-12-28 20:50:52.638 WARN 1 --- [nfoReplicator-0] c.n.discovery.InstanceInfoReplicator : There was a problem with the instance info replicator com.netflix.discovery.shared.transport.TransportException: Cannot execute request on any known server at com.netflix.discovery.shared.transport.decorator.RetryableEurekaHttpClient.execute(RetryableEurekaHttpClient.java:112) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator$1.execute(EurekaHttpClientDecorator.java:59) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.SessionedEurekaHttpClient.execute(SessionedEurekaHttpClient.java:77) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.register(EurekaHttpClientDecorator.java:56) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.DiscoveryClient.register(DiscoveryClient.java:876) ~[eureka-client-1.10.17.jar!/:1.10.17] at com.netflix.discovery.InstanceInfoReplicator.run(InstanceInfoReplicator.java:121) ~[eureka-client-1.10.17.jar!/:1.10.17] at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[na:na] at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[na:na] at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) ~[na:na] at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) ~[na:na] at java.base/java.lang.Thread.run(Thread.java:831) ~[na:na] 2022-12-28 20:50:53.205 WARN 1 --- [g64rsAotJWA4A-6] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:53.206 INFO 1 --- [g64rsAotJWA4A-6] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@55a62eea: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:53.209 INFO 1 --- [g64rsAotJWA4A-7] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:50:58.260 WARN 1 --- [g64rsAotJWA4A-7] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:50:58.262 INFO 1 --- [g64rsAotJWA4A-7] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@1f16b696: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:50:58.267 INFO 1 --- [g64rsAotJWA4A-8] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672] 2022-12-28 20:51:03.361 WARN 1 --- [g64rsAotJWA4A-8] o.s.a.r.l.SimpleMessageListenerContainer : Consumer raised exception, processing can restart if the connection factory supports it. Exception summary: org.springframework.amqp.AmqpConnectException: java.net.ConnectException: Connection refused 2022-12-28 20:51:03.362 INFO 1 --- [g64rsAotJWA4A-8] o.s.a.r.l.SimpleMessageListenerContainer : Restarting Consumer@2193ccd1: tags=[[]], channel=null, acknowledgeMode=AUTO local queue size=0 2022-12-28 20:51:03.362 INFO 1 --- [g64rsAotJWA4A-9] o.s.a.r.c.CachingConnectionFactory : Attempting to connect to: [127.0.0.1:5672]
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
8분 41초부터 Kafka Connect 실행이 안됨
제가 그대로 따라해서 하고 있는데... 왜 안되는지 잘 모르겟네요... 저는 D 드라이브에 별도로 폴더를 생성해서 작업하고 있었는데요, .\bin\windows\connect-distributed.bat .\etc\kafka\connect-distributed.properties 를 실행하면 Error: Could not find or load main class org.apache.kafka.connect.cli.ConnectDistributedCaused by: java.lang.ClassNotFoundException: org.apache.kafka.connect.cli.ConnectDistributed 위와 같은 에러가 나오니... 이유가 뭘까요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
user-service h2-console연결이 안됨
위 사진을 보면 user-service가 분명 떠잇어서 들어가서... 설정한 데로 접속을 하는데 안되는겁니다...근데 왜 안되는지 모르겟네요...user-service project에 application.yml 파일 설정도 동일하게 해준거 같은데 애초에 비밀번호가 맞고 안맞고를 떠나서 not found 가 떠버리는데... 무엇을 놓친지 모르겟습니다. server: port: 0 spring: config: import: - classpath:/bootstrap.yml application: name: user-service rabbitmq: host: 127.0.0.1 port: 5672 username: guest password: guest h2: console: enabled: true settings: web-allow-others: true path: /h2-console datasource: driver-class-name: org.h2.Driver url: jdbc:h2:mem:testdb username: sa password: jpa: database-platform: org.hibernate.dialect.H2Dialect open-in-view: false hibernate: ddl-auto: create-drop properties: hibernate: # show_sql: true format_sql: true eureka: instance: instance-id: ${spring.application.name}:${spring.application.instance_id:${random.value}} client: register-with-eureka: true fetch-registry: true service-url: defaultZone: http://127.0.0.1:8761/eureka greeting: message: Welcome to the Simple E-commerce. logging: level: com.example.userservice.client: DEBUG management: endpoints: web: exposure: include: refresh, health, beans, busrefresh #token: # expiration_time: 86400000 # secret: user_token
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
org.eclipse.jgit.api.errors.TransportException cannot open git-upload-pack
config server를 docker로 작성하다 보면 docker network create로 bridge network을 생성하여 사용하는데 이때docker 내부에서 172. 대역을 기본으로 사용한다는 것을 몰랐던 상태에서저의 경우 192.168.x.x대역으로 gateway와 subnet을 구성했었습니다그러다 보니 git에 올려놓은 config용 yml파일을 가져와야 하는데 아래와 같은 메시지가 계속 발생하더라구요.org.eclipse.jgit.api.errors.TransportException.......cannot open git-upload-pack자세히 보면 그 아래 Caused by: java.net.UnknownHostException: github.com호스트를 못찾겠다는 메시지가 있는데 네트웍 설정으로 인한 외부 통신이 불가한것을 착안하게 되어다시 선생님 강의와 같이 172 대역으로 다시 교정하니 정상작동이 되었습니다며칠간 잘 되지 않아 고생했는데 다른분들 이런 오류 보게되면 네트웍 설정을 잘 살펴보시면 될것 같습니다
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
게이트웨이 오류
안녕하세요 유레카에 랜덤 포트로 first-service 2개 등록을 했습니다. - Postman 이용해서 api를 날려보면 Connection refused가 발생하는데 어디를 고쳐야할까요?게이트웨이의 application.yml은 위와 같습니다.eureka yml은 위와 같습니다.First-service.yml입니다.
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
RandomPort
랜덤 포트를 설정해도 Port가 0번으로 고정이 됩니다.한 개는 Intellij에서 Run 버튼을 이용해서 실행 시켰고한 개는 ./gradlew build 후 Intellij의 terminal에서java -jar first.jar를 이용해서 실행을 시켰습니다.instance-id도 추가를 해주었습니다. 혹시 몰라서 노트북 재시작까지 해보았는데도Eureka에서는 Port가 0번으로 고정이됩니다. 위의 사진은 Eureka 서버의 application.yml입니다.
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
Eureka LoadBalancing
안녕하세요 질문이 3가지가 있습니다.다음과 같이 Eureka에 서버가 2개 등록되어있으면 유레카에서 로드밸런싱을 해주는 건가요? Client -> GateWay로 요청 보냄 -> Eureka에 서버 정보 요청 -> Eureka는 Application name에 여러 개의 IP가 있을 시 로드밸런싱을 해서 GateWay에 서버 정보를 알려줌 -> Gateway가 Eureka에서 얻은 서버 정보로 요청을 보냄이 과정을 맞을까요?위와 같이 8081, 9091이 등록이 되어있지만 Gateway를 호출을 해보면 8081만 나오게 됩니다.실행 시킨 방법은 8081은 Intellij에서 Run 버튼을 이용해서 실행 시켰고 9091은 Edit Configuration을 이용해서 -Dserver.port=9091을 이용해서 실행시켰습니다.게이트웨이의 application.yml은 다음과 같습니다.first-service의 application.yml은 다음과 같습니다.8081은 잘 찍히는데9091은 잘 나오지 않습니다.application.yml에 설정된 값이 8081로 되어있어서 8081만 나오게 되는걸까요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
filter가 작동되지 않습니다.
- 강의에 있는 거 그대로 사용했는데 log가 뜨지를 않습니다. 디버그를 찍어보니 필터를 거치지 않는데 어떻게 해결을 해야될까요??- 요청은 정상적으로 가고 응답도 first-service / second-serivIce에 맞게 잘 가져옵니다.
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
RoutLocatortBuilder
안녕하세요 RouteLocateBuilder에 빨간 줄이 뜨는데무시하고 해도 되는건가요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
9003 포트로 띄웠는데 9001 포트도 같이 건드려지는건 왜 일까요?
터미널에서 아래와 같이 명령어를 주었습니다.mvn spring-boot:run -Dspring-boot.run.jvmArguments='-Dserver.prot=9003’그런데 9001 포트까지 같이 실행되서 중복 포트라 fail이 되어버리네요.default 9001 포트를 변경해줘야 할까요?
- 미해결Spring Cloud로 개발하는 마이크로서비스 애플리케이션(MSA)
zuul 강의에서 gradle로 하시는 분들을 위해 공유합니다
zuul을 사용하기 위해서는 spring boot 버전이 2.4보다 낮아야 한다고 해서 2.3.9.RELEASE를 사용했습니다. (2.4 미만 버전은 RELEASE가 붙더라고요)또한, spring boot 버전이 2.4 미만일 경우 spring cloud 2020.0.0 (2.4.x, 2.5.x 에서만 사용 가능) 버전을 사용할 수 없고 Hoxton 버전을 사용해야 됨을 적용했습니다.아래와 같이 해서 실행 성공했습니다.plugins { id 'java' id 'org.springframework.boot' version '2.3.9.RELEASE' id 'io.spring.dependency-management' version '1.0.11.RELEASE' } group = 'com.example' version = '0.0.1-SNAPSHOT' sourceCompatibility = '11' configurations { compileOnly { extendsFrom annotationProcessor } } repositories { mavenCentral() } dependencies { implementation 'org.springframework.boot:spring-boot-starter-web' implementation 'org.springframework.cloud:spring-cloud-starter-netflix-eureka-client' compileOnly 'org.projectlombok:lombok' annotationProcessor 'org.projectlombok:lombok' testImplementation 'org.springframework.boot:spring-boot-starter-test' } dependencyManagement { imports { mavenBom "org.springframework.cloud:spring-cloud-dependencies:Hoxton.RELEASE" } } tasks.named('test') { useJUnitPlatform() }