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Posted to dev@kafka.apache.org by "Mickael Maison (Jira)" <ji...@apache.org> on 2024/10/09 08:49:00 UTC
[jira] [Resolved] (KAFKA-8708) Zookeeper Session expired either before or while waiting for connection
[ https://issues.apache.org/jira/browse/KAFKA-8708?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mickael Maison resolved KAFKA-8708.
-----------------------------------
Resolution: Won't Fix
We are now removing ZooKeeper support so closing this issue.
> Zookeeper Session expired either before or while waiting for connection
> -----------------------------------------------------------------------
>
> Key: KAFKA-8708
> URL: https://issues.apache.org/jira/browse/KAFKA-8708
> Project: Kafka
> Issue Type: Bug
> Components: zkclient
> Affects Versions: 2.0.1
> Reporter: Chethan Bheemaiah
> Priority: Major
>
> Recently we had encountered an issue in one of our kafka cluster. One of the node went down and was not joining the kafka cluster on restart. We had observed Session expired error messages in server.log
> Below is one message
> ERROR kafka.common.ZkNodeChangeNotificationListener: Error while processing notification change for path = /config/changes
> kafka.zookeeper.ZooKeeperClientExpiredException: Session expired either before or while waiting for connection
> at kafka.zookeeper.ZooKeeperClient$$anonfun$kafka$zookeeper$ZooKeeperClient$$waitUntilConnected$1.apply$mcV$sp(ZooKeeperClient.scala:238)
> at kafka.zookeeper.ZooKeeperClient$$anonfun$kafka$zookeeper$ZooKeeperClient$$waitUntilConnected$1.apply(ZooKeeperClient.scala:226)
> at kafka.zookeeper.ZooKeeperClient$$anonfun$kafka$zookeeper$ZooKeeperClient$$waitUntilConnected$1.apply(ZooKeeperClient.scala:226)
> at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:251)
> at kafka.zookeeper.ZooKeeperClient.kafka$zookeeper$ZooKeeperClient$$waitUntilConnected(ZooKeeperClient.scala:226)
> at kafka.zookeeper.ZooKeeperClient$$anonfun$waitUntilConnected$1.apply$mcV$sp(ZooKeeperClient.scala:220)
> at kafka.zookeeper.ZooKeeperClient$$anonfun$waitUntilConnected$1.apply(ZooKeeperClient.scala:220)
> at kafka.zookeeper.ZooKeeperClient$$anonfun$waitUntilConnected$1.apply(ZooKeeperClient.scala:220)
> at kafka.utils.CoreUtils$.inLock(CoreUtils.scala:251)
> at kafka.zookeeper.ZooKeeperClient.waitUntilConnected(ZooKeeperClient.scala:219)
> at kafka.zk.KafkaZkClient.retryRequestsUntilConnected(KafkaZkClient.scala:1510)
> at kafka.zk.KafkaZkClient.kafka$zk$KafkaZkClient$$retryRequestUntilConnected(KafkaZkClient.scala:1486)
> at kafka.zk.KafkaZkClient.getChildren(KafkaZkClient.scala:585)
> at kafka.common.ZkNodeChangeNotificationListener.kafka$common$ZkNodeChangeNotificationListener$$processNotifications(ZkNodeChangeNotificationListener.scala:82)
> at kafka.common.ZkNodeChangeNotificationListener$ChangeNotification.process(ZkNodeChangeNotificationListener.scala:119)
> at kafka.common.ZkNodeChangeNotificationListener$ChangeEventProcessThread.doWork(ZkNodeChangeNotificationListener.scala:145)
> at kafka.utils.ShutdownableThread.run(ShutdownableThread.scala:82)
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