flume系列之：消费Kafka集群Topic报错java.io.IOException: Can‘t resolve address: data03:9092

一、flume消费Kafka集群Topic报错

• 21 Sep 2022 14:55:05,363 WARN [PollableSourceRunner-KafkaSource-source1] (org.apache.kafka.clients.NetworkClient.initiateConnect:873) - [Consumer clientId=consumer-1, groupId=datasight-eventTopic-prod] Error connecting to node data03.nio.sa:9092 (id: 30 rack: null)
  java.io.IOException: Can’t resolve address: data03:9092
  at org.apache.kafka.common.network.Selector.doConnect(Selector.java:235)
  at org.apache.kafka.common.network.Selector.connect(Selector.java:214)
  at org.apache.kafka.clients.NetworkClient.initiateConnect(NetworkClient.java:864)
  at org.apache.kafka.clients.NetworkClient.ready(NetworkClient.java:265)
  at org.apache.kafka.clients.consumer.int