为什么卡夫卡会警告“分区中的领导经纪人没有匹配的听众”？

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如何解决为什么卡夫卡会警告“分区中的领导经纪人没有匹配的听众”？？

如对您的问题的评论所述，问题似乎出在Kafka经纪人的广告名称上。根据您的docker- compose，您应该使用，192.168.23.134但您的电子邮件服务正在使用kafka:9092。您可以尝试使用此docker- compose。我用提供的最新Zookeeper和Kafka替换了wurstmeister服务，confluenTinc并添加了您的电子邮件服务。

---
version: '2'
services:
zookeeper:
    image: confluenTinc/cp-zookeeper:latest
    environment:
    ZOOKEEPER_client_port: 2181
    ZOOKEEPER_TICK_TIME: 2000

kafka:
    image: confluenTinc/cp-kafka:latest
    depends_on:
    - zookeeper
    ports:
    - 9092:9092
    environment:
    KAFKA_broKER_ID: 1
    KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
    KAFKA_ADVERTISED_ListENERS: PLAIntexT://kafka:29092,PLAIntexT_HOST://localhost:9092
    KAFKA_ListENER_Security_PROTOCol_MAP: PLAIntexT:PLAIntexT,PLAIntexT_HOST:PLAIntexT
    KAFKA_INTER_broKER_ListENER_name: PLAIntexT
    KAFKA_OFFSETS_topIC_ReplicatION_FACTOR: 1

email-service:
  build: ./email-service
  environment:
   SPRING_KAFKA_bootstrapSERVERS: kafka:29092
  ports:
   - "8081:8081"
  depends_on:
   - kafka

请注意，它KAFKA_ADVERTISED_host_name已被弃用，建议改为使用KAFKA_ADVERTISED_ListENERS。有关更多信息，KAFKA_ADVERTISED_ListENERS请在此处检查。

解决方法

version: '3.3'
    services:
     zookeeper:
      image: wurstmeister/zookeeper
      ports:
       - "2181:2181"

 kafka:
  image: wurstmeister/kafka
  command: [start-kafka.sh]
  environment:
   KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
   KAFKA_ADVERTISED_host_name: 192.168.23.134
   KAFKA_create_tOPICS: "email-token:1:1"
  volumes:
   - /var/run/docker.sock:/var/run/docker.sock
  ports:
   - "9092:9092"
  depends_on:
   - zookeeper

 email-service:
  build: ./email-service
  environment:
   SPRING_KAFKA_BOOTSTRAPSERVERS: kafka:9092
  ports:
   - "8081:8081"
  depends_on:
   - kafka