我都安装了新鲜的zookeeper和kafka。我都开始了。然后，当我想使用此命令查看主题列表时：
bin/kafka-topics.sh --list --zookeeper localhost 2181
它使我的套接字连接关闭。这是屏幕截图：
darpanshah@darpan-ubuntu:/opt/Kafka$ bin/kafka-topics.sh --list --zookeeper localhost 2181
2016-08-17 10:44:44,053] INFO Accepted socket connection from /127.0.0.1:48452 (org.apache.zookeeper.server.NIOServerCnxnFactory)
[2016-08-17 10:44:44,059] INFO Client attempting to establish new session at /127.0.0.1:48452 (org.apache.zookeeper.server.ZooKeeperServer)
[2016-08-17 10:44:44,069] INFO Established session 0x15698f5ac360001 with negotiated timeout 30000 for client /127.0.0.1:48452 (org.apache.zookeeper.server.ZooKeeperServer)
[2016-08-17 10:44:44,095] INFO Processed session termination for sessionid: 0x15698f5ac360001 (org.apache.zookeeper.server.PrepRequestProcessor)
[2016-08-17 10:44:44,105] INFO Closed socket connection for client /127.0.0.1:48452 which had sessionid 0x15698f5ac360001 (org.apache.zookeeper.server.NIOServerCnxn)
darpanshah@darpan-ubuntu:/opt/Kafka$
提前致谢。卡着了。
那不是错误。主题详细信息是从Zookeeper获取的。因此，客户端（由kafka-topics.sh调用）首先连接到Zookeeper，然后建立会话，获取数据，然后最后断开连接。这是将从Zookeeper中获取一些数据的任何客户端的预期行为。
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我来说两句