Spring Cloud 数据流微服务无法访问 Docker Compose 配置服务器

问题描述

可以从 localhost:8888 访问配置服务器，但是当我在 SCDF 上部署我的应用程序时出现以下错误：

Fetching config from server at : http://localhost:8888
2021-07-30 14:58:53.535  INFO 143 --- [           main] o.s.b.context.config.ConfigDataLoader    : Connect Timeout Exception on Url - http://localhost:8888. Will be trying the next url if available
2021-07-30 14:58:53.535  WARN 143 --- [           main] o.s.b.context.config.ConfigDataLoader    : Could not locate PropertySource ([ConfigServerConfigDataResource@3de88f64 uris = array<String>['http://localhost:8888'],optional = true,profiles = list['default']]): I/O error on GET request for "http://localhost:8888/backend-service/default": Connection refused (Connection refused); nested exception is java.net.ConnectException: Connection refused (Connection refused)

除了配置服务器连接之外，应用程序在 SCDF 上成功部署。我在 SCDF 中指定的唯一属性是 docker 网络。我正在使用 spring.config.import 并且没有使用任何引导程序。这在本地部署时一切正常，但在 SCDF 上部署时，微服务无法连接到配置服务器。

Spring Boot 版本：2.5.1

应用属性

spring.application.name=backend-service
spring.cloud.config.fail-fast=true
spring.cloud.config.retry.max-attempts=6
spring.cloud.config.retry.max-interval=11000
spring.config.import=optional:configserver:http://localhost:8888

配置服务器属性

spring.cloud.config.server.git.uri=...
management.endpoints.web.exposure.include=*
spring.cloud.config.fail-fast=true
spring.cloud.config.retry.max-attempts=6
spring.cloud.config.retry.max-interval=11000
spring.cloud.bus.id=my-config-server
spring.cloud.stream.rabbit.bindings.springCloudBus.consumer.declareExchange=false
spring.rabbitmq.host=127.0.0.1
spring.rabbitmq.port=5672
spring.rabbitmq.username=guest
spring.rabbitmq.password=guest
spring.cloud.bus.enabled=true
spring.cloud.bus.refresh.enabled: true
spring.cloud.bus.env.enabled: true
server.port=8888

docker-compose.yml

version: '3.1'

services:

  h2:
    ...

  rabbitmq-container:
    image: rabbitmq:3.7.14-management
    hostname: dataflow-rabbitmq
    expose:
      - '5672'
    ports:
      - "5672:5672"
      - "15672:15672"
    networks:
      - scdfnet

  dataflow-server:
    ...
    networks:
      - scdfnet

  app-import:
    ...
    networks:
      - scdfnet 
  skipper-server:
    ...
    networks:
      - scdfnet

  configserver-container:
    image: ...
    ports:
      - "8888:8888"
    expose:
      - '8888'
    environment:
      - spring_rabbitmq_host=rabbitmq-container
      - spring_rabbitmq_port=5672
      - spring_rabbitmq_username=guest
      - spring_rabbitmq_password=guest
    depends_on:
      - rabbitmq-container
    networks:
      - scdfnet

networks:
  scdfnet:
    external:
      name: scdfnet

volumes:
     h2-data:

解决方法

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