在Kafka 2.8.0之前的版本中，使用ClusterMetadata对象检索集群中所有主题的详细信息时会发生崩溃。 在这种情况下，解决此问题的最佳方法是使用下面的代码示例中的新的KafkaAdminClient类代替ClusterMetadata类。

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map.Entry;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;

import org.apache.kafka.clients.admin.Admin;
import org.apache.kafka.clients.admin.AdminClient; 
import org.apache.kafka.clients.admin.ListTopicsResult;
import org.apache.kafka.clients.admin.TopicDescription;
import org.apache.kafka.common.KafkaFuture;
import org.apache.kafka.common.Node;
import org.apache.kafka.common.TopicPartitionInfo;

public class KafkaTopicUtil {

  private Admin admin;

  public KafkaTopicUtil(String kafkaServers) {
    admin = AdminClient.create(buildAdminConfig(kafkaServers));
  }

  public Collection getTopicNames() {
    try {
      ListTopicsResult result = admin.listTopics();
      KafkaFuture> namesFuture = result.names();
      return namesFuture.get(30, TimeUnit.SECONDS);
    } catch (InterruptedException | ExecutionException | TimeoutException e) {
      throw new RuntimeException("Failed to get topic list", e);
    }
  }

  public List getTopicDescriptions(String topic) {
    try {
      KafkaFuture topicDescriptionFuture = admin.describeTopics(Lists.newArrayList(topic)).values().get(topic);
      TopicDescription description = topicDescriptionFuture.get(30, TimeUnit.SECONDS);
      return Lists.newArrayList(description);
    } catch (InterruptedException | ExecutionException | TimeoutException e) {
      throw new RuntimeException("Failed to get topic descriptions", e);
    }
  }

  public List getBrokers() {
    try {
      ClusterDescription description = admin.describeCluster().clusterDescription();
      return description.nodes();
    } catch (InterruptedException | ExecutionException e) {
      throw new RuntimeException("Failed to get cluster description", e);
    }
  }

  public TopicPartitionInfo getPartition(String topic, int partition) {
    TopicDescription description = getTopicDescriptions(topic).get(0