我在另一台机器上有一个3节点的Kafka集群,在其中我无法通过Spring Boot应用程序远程连接和使用消息。我已经这样更改了配置文件:
advertised.listeners=PLAINTEXT://<myActual IP address>:9092
这是我的application.yml:
spring:
kafka:
consumer:
bootstrap-servers: :9092,:9093,:9094
group-id: test-consumer-group
auto-offset-reset: earliest
key-deserializer: org.apache.kafka.common.serialization.StringDeserializer
value-deserializer: org.apache.kafka.common.serialization.StringDeserializer
运行应用程序时,出现此错误:
2020-10-26 12:47:52.524 WARN 4524 --- [| adminclient-1]
org.apache.kafka.clients.NetworkClient : [AdminClient clientId=adminclient-1]
Connection to node -1 (localhost/127.0.0.1:9092) could not be established.
Broker may not be available.
答案 0 :(得分:1)
bootstrap-servers: :9092,:9093,:9094
您需要指定主机名或IP地址。
bootstrap-servers: some.host:9092,some.host:9093,some.host:9094