Kafka 버전 쿼리를 구문 분석하는 명령

./kafka-version.sh

import org.apache.kafka.clients.admin.AdminClient;
import org.apache.kafka.clients.admin.DescribeClusterResult;

public class KafkaVersionQuery {

  public static void main(String[] args) {
    // 创建AdminClient实例
    AdminClient adminClient = AdminClient.create();

    // 查询集群版本信息
    DescribeClusterResult describeClusterResult = adminClient.describeCluster();

    // 获取集群版本号
    String clusterVersion = describeClusterResult.clusterId().version();

    // 打印集群版本号
    System.out.println("Cluster version: " + clusterVersion);

    // 关闭AdminClient实例
    adminClient.close();
  }
}

import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import java.lang.management.ManagementFactory;

public class KafkaVersionQuery {

  public static void main(String[] args) {
    // 获取MBeanServerConnection实例
    MBeanServerConnection mBeanServerConnection = ManagementFactory.getPlatformMBeanServer();

    // 创建ObjectName实例
    ObjectName objectName = new ObjectName("kafka.server:type=Broker,name=0");

    // 获取Kafka版本号
    String kafkaVersion = (String) mBeanServerConnection.getAttribute(objectName, "version");

    // 打印Kafka版本号
    System.out.println("Kafka version: " + kafkaVersion);
  }
}