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https://issues.apache.org/jira/browse/HDFS-9400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mingliang Liu updated HDFS-9400:
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Attachment: HDFS-9400-branch-2.001.patch
Thank you [~cnauroth] for narrowing down the cause of this failing test. The
[HDFS-8979] was not supposed to contain logic change. Unfortunately it brought
some changes which was actually added by [HDFS-8332] in trunk.
Thank you [~brahmareddy] for working on this and investigating the root cause.
I totally agree with you that the root cause is calling {{checkOpen()}} in
{{DFSClient}} class, brought by [HDFS-8979] which obviously was not aware of
the revert of [HDFS-8332] from {{branch-2}} when committing.
The fix may be to simply revert the unnecessary {{checkOpen()}} method call
brought by [HDFS-8979]. I tested the v1 patch locally on my Gentoo Linux and
Mac, and it seems to work.
> TestRollingUpgradeRollback fails on branch-2.
> ---------------------------------------------
>
> Key: HDFS-9400
> URL: https://issues.apache.org/jira/browse/HDFS-9400
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Chris Nauroth
> Assignee: Brahma Reddy Battula
> Priority: Blocker
> Attachments: HDFS-9400-branch-2.001.patch, HDFS-9400-branch-2.patch
>
>
> During a Jenkins pre-commit run on branch-2 for the HDFS-9394 patch, we
> noticed a pre-existing failure in {{TestRollingUpgradeRollback}}. I have
> confirmed that this test is failing in branch-2 only. It passes in trunk,
> and it passes in branch-2.7.
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