title: Kafka consumer group script to see all consumer group not working
body: <p>When I execute the below command in kafka </p>
  
  <pre><code>./kafka-consumer-groups.sh --bootstrap-server sample-address:9092 --list
  </code></pre>
  
  <p>I'm facing the below error</p>
  
  <pre><code>Error: Executing consumer group command failed due to org.apache.kafka.common.KafkaException: Failed to find brokers to send ListGroups
  java.util.concurrent.ExecutionException: org.apache.kafka.common.KafkaException: Failed to find brokers to send ListGroups
      at org.apache.kafka.common.internals.KafkaFutureImpl.wrapAndThrow(KafkaFutureImpl.java:45)
      at org.apache.kafka.common.internals.KafkaFutureImpl.access$000(KafkaFutureImpl.java:32)
      at org.apache.kafka.common.internals.KafkaFutureImpl$SingleWaiter.await(KafkaFutureImpl.java:89)
      at org.apache.kafka.common.internals.KafkaFutureImpl.get(KafkaFutureImpl.java:262)
      at kafka.admin.ConsumerGroupCommand$ConsumerGroupService.listGroups(ConsumerGroupCommand.scala:132)
      at kafka.admin.ConsumerGroupCommand$.main(ConsumerGroupCommand.scala:58)
      at kafka.admin.ConsumerGroupCommand.main(ConsumerGroupCommand.scala)
  Caused by: org.apache.kafka.common.KafkaException: Failed to find brokers to send ListGroups
      at org.apache.kafka.clients.admin.KafkaAdminClient$22.handleFailure(KafkaAdminClient.java:2610)
      at org.apache.kafka.clients.admin.KafkaAdminClient$Call.fail(KafkaAdminClient.java:614)
      at org.apache.kafka.clients.admin.KafkaAdminClient$TimeoutProcessor.handleTimeouts(KafkaAdminClient.java:730)
      at org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.timeoutPendingCalls(KafkaAdminClient.java:798)
      at org.apache.kafka.clients.admin.KafkaAdminClient$AdminClientRunnable.run(KafkaAdminClient.java:1092)
      at java.base/java.lang.Thread.run(Thread.java:835)
  Caused by: org.apache.kafka.common.errors.TimeoutException: Timed out waiting for a node assignment.
  </code></pre>