版本信息：
kafka_2.12-3.1.0、apache-zookeeper-3.8.0
报错信息：
[2022-03-16 05:30:57,192] WARN An exception was thrown while closing send thread for session 0x100007216820000. (org.apache.zookeeper.ClientCnxn)
EndOfStreamException: Unable to read additional data from server sessionid 0x100007216820000, likely server has closed socket
at org.apache.zookeeper.ClientCnxnSocketNIO.doIO(ClientCnxnSocketNIO.java:77)
at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(ClientCnxnSocketNIO.java:350)
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1290)
[2022-03-16 05:30:57,298] INFO Session: 0x100007216820000 closed (org.apache.zookeeper.ZooKeeper)
[2022-03-16 05:30:57,377] INFO EventThread shut down for session: 0x100007216820000 (org.apache.zookeeper.ClientCnxn)
[2022-03-16 05:30:57,380] INFO [ZooKeeperClient Kafka server] Closed. (kafka.zookeeper.ZooKeeperClient)
[2022-03-16 05:30:57,382] ERROR Fatal error during KafkaServer startup. Prepare to shutdown (kafka.server.KafkaServer)
kafka.zookeeper.ZooKeeperClientTimeoutException: Timed out waiting for connection while in state: CONNECTING
at kafka.zookeeper.ZooKeeperClient.$anonfun$waitUntilConnected$3(ZooKeeperClient.scala:254)
at kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:250)
at kafka.zookeeper.ZooKeeperClient.<init>(ZooKeeperClient.scala:108)
at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1981)
at kafka.zk.KafkaZkClient$.apply(KafkaZkClient.scala:1968)
at kafka.server.KafkaServer.initZkClient(KafkaServer.scala:491)
at kafka.server.KafkaServer.startup(KafkaServer.scala:201)
at kafka.Kafka$.main(Kafka.scala:109)
at kafka.Kafka.main(Kafka.scala)
[2022-03-16 05:30:57,383] INFO shutting down (kafka.server.KafkaServer)
[2022-03-16 05:30:57,470] INFO App info kafka.server for -1 unregistered (org.apache.kafka.common.utils.AppInfoParser)
[2022-03-16 05:30:57,470] INFO shut down completed (kafka.server.KafkaServer)
[2022-03-16 05:30:57,471] ERROR Exiting Kafka. (kafka.Kafka$)
[2022-03-16 05:30:57,471] INFO shutting down (kafka.server.KafkaServer)
第一次尝试解决：
在网上查询资料，说zookeeper的版本需要和kafka安装目录下的libs目录下的（真绕口！）zookeeper的jar包的版本保持一致。重新下载apache-zookeeper-3.6.3-bin.tar.gz，并安装、配置、启动。重新启动kafka，依然报错，报错信息和上面的一致。方案无效！
