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https://issues.apache.org/jira/browse/HBASE-20476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16455741#comment-16455741
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Duo Zhang commented on HBASE-20476:
-----------------------------------
{noformat}
2018-04-27 03:08:21,768 DEBUG
[RS_REFRESH_PEER-regionserver/asf911:0-0.replicationSource,2.replicationSource.wal-reader.asf911.gq1.ygridcore.net%2C34977%2C1524798459531,2]
regionserver.SerialReplicationChecker(189): Replication barrier for
test/2dcce913bdddbe6bd46b11167744012b/3=[#edits: 0 = <>]:
ReplicationBarrierResult [barriers=[0, 2], state=OPEN, parentRegionNames=]
2018-04-27 03:08:21,769 DEBUG
[RS_REFRESH_PEER-regionserver/asf911:0-0.replicationSource,2.replicationSource.wal-reader.asf911.gq1.ygridcore.net%2C34977%2C1524798459531,2]
zookeeper.ZKUtil(704): regionserver:34977-0x1630511ec980004,
quorum=localhost:63109, baseZNode=/1 Unable to get data of znode
/1/replication/regions/2d/cc/e913bdddbe6bd46b11167744012b-2 because node does
not exist (not necessarily an error)
2018-04-27 03:08:21,769 DEBUG
[RS_REFRESH_PEER-regionserver/asf911:0-0.replicationSource,2.replicationSource.wal-reader.asf911.gq1.ygridcore.net%2C34977%2C1524798459531,2]
regionserver.SerialReplicationChecker(227): Previous range for
test/2dcce913bdddbe6bd46b11167744012b/3=[#edits: 0 = <>] has not been finished
yet, give up
2018-04-27 03:08:21,769 DEBUG
[RS_REFRESH_PEER-regionserver/asf911:0-0.replicationSource,2.replicationSource.wal-reader.asf911.gq1.ygridcore.net%2C34977%2C1524798459531,2]
regionserver.SerialReplicationChecker(269): Can not push
test/2dcce913bdddbe6bd46b11167744012b/3=[#edits: 0 = <>], wait
{noformat}
This is the root cause I think. Let me dig.
> Fix the flaky TestReplicationSmallTests unit test
> -------------------------------------------------
>
> Key: HBASE-20476
> URL: https://issues.apache.org/jira/browse/HBASE-20476
> Project: HBase
> Issue Type: Bug
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Priority: Major
> Attachments: HBASE-20476.patch
>
>
> See
> https://builds.apache.org/job/HBASE-Find-Flaky-Tests/lastSuccessfulBuild/artifact/dashboard.html
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