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https://issues.apache.org/jira/browse/SPARK-34110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dongjoon Hyun resolved SPARK-34110.
-----------------------------------
Fix Version/s: 3.2.0
Resolution: Fixed
Issue resolved by pull request 31177
[https://github.com/apache/spark/pull/31177]
> Upgrade ZooKeeper to 3.6.2
> --------------------------
>
> Key: SPARK-34110
> URL: https://issues.apache.org/jira/browse/SPARK-34110
> Project: Spark
> Issue Type: Sub-task
> Components: Build
> Affects Versions: 3.2.0
> Reporter: Yuming Wang
> Assignee: Yuming Wang
> Priority: Major
> Fix For: 3.2.0
>
>
> When running Spark on JDK 14:
> {noformat}
> 21/01/13 20:25:32,533 WARN
> [Driver-SendThread(apache-spark-zk-3.vip.hadoop.com:2181)]
> zookeeper.ClientCnxn:1164 : Session 0x0 for server
> apache-spark-zk-3.vip.hadoop.com/<unresolved>:2181, unexpected error, closing
> socket connection and attempting reconnect
> java.lang.IllegalArgumentException: Unable to canonicalize address
> apache-spark-zk-3.vip.hadoop.com/<unresolved>:2181 because it's not resolvable
> at
> org.apache.zookeeper.SaslServerPrincipal.getServerPrincipal(SaslServerPrincipal.java:65)
> at
> org.apache.zookeeper.SaslServerPrincipal.getServerPrincipal(SaslServerPrincipal.java:41)
> at
> org.apache.zookeeper.ClientCnxn$SendThread.startConnect(ClientCnxn.java:1001)
> at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1060)
> {noformat}
> Please see ZOOKEEPER-3779 for more details.
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