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https://issues.apache.org/jira/browse/HBASE-27160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Duo Zhang resolved HBASE-27160.
-------------------------------
Fix Version/s: 2.5.0
3.0.0-alpha-4
2.4.14
Hadoop Flags: Reviewed
Resolution: Fixed
Pushed to branch-2.4+.
Thanks [~bbeaudreault] for reviewing!
> ClientZKSyncer.deleteDataForClientZkUntilSuccess should break from the loop
> when deletion is succeeded
> ------------------------------------------------------------------------------------------------------
>
> Key: HBASE-27160
> URL: https://issues.apache.org/jira/browse/HBASE-27160
> Project: HBase
> Issue Type: Bug
> Components: Client, Zookeeper
> Reporter: Duo Zhang
> Assignee: Duo Zhang
> Priority: Major
> Fix For: 2.5.0, 3.0.0-alpha-4, 2.4.14
>
>
> https://nightlies.apache.org/hbase/HBase-Flaky-Tests/master/3745/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.client.TestSeparateClientZKCluster-output.txt
> {noformat}
> 2022-06-25T04:53:00,316 DEBUG [ClientZKUpdater-/hbase/meta-region-server-1]
> zksyncer.ClientZKSyncer(200): Failed to delete node from client ZK, will
> retry later
> org.apache.zookeeper.KeeperException$NoNodeException: KeeperErrorCode =
> NoNode for /hbase/meta-region-server-1
> at
> org.apache.zookeeper.KeeperException.create(KeeperException.java:118)
> ~[zookeeper-3.5.7.jar:3.5.7]
> at org.apache.zookeeper.KeeperException.create(KeeperException.java:54)
> ~[zookeeper-3.5.7.jar:3.5.7]
> at org.apache.zookeeper.ZooKeeper.delete(ZooKeeper.java:1793)
> ~[zookeeper-3.5.7.jar:3.5.7]
> at
> org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.delete(RecoverableZooKeeper.java:210)
> ~[hbase-zookeeper-3.0.0-alpha-3.jar:3.0.0-alpha-3]
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:851)
> ~[hbase-zookeeper-3.0.0-alpha-3.jar:3.0.0-alpha-3]
> at org.apache.hadoop.hbase.zookeeper.ZKUtil.deleteNode(ZKUtil.java:843)
> ~[hbase-zookeeper-3.0.0-alpha-3.jar:3.0.0-alpha-3]
> at
> org.apache.hadoop.hbase.master.zksyncer.ClientZKSyncer.deleteDataForClientZkUntilSuccess(ClientZKSyncer.java:198)
> ~[classes/:?]
> at
> org.apache.hadoop.hbase.master.zksyncer.ClientZKSyncer.access$400(ClientZKSyncer.java:45)
> ~[classes/:?]
> at
> org.apache.hadoop.hbase.master.zksyncer.ClientZKSyncer$ClientZkUpdater.run(ClientZKSyncer.java:318)
> ~[classes/:?]
> {noformat}
> Not sure if this is the root cause of the flakiness but at least it messes up
> the output, let's fix it first.
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