Duo Zhang created HBASE-27160:
---------------------------------
Summary: ClientZKSyncer.deleteDataForClientZkUntilSuccess should
treat NoNode exception specially
Key: HBASE-27160
URL: https://issues.apache.org/jira/browse/HBASE-27160
Project: HBase
Issue Type: Bug
Components: Client, Zookeeper
Reporter: Duo Zhang
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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