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https://issues.apache.org/jira/browse/HDFS-6678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth updated HDFS-6678:
--------------------------------
Resolution: Fixed
Fix Version/s: 2.6.0
3.0.0
Hadoop Flags: Reviewed
Status: Resolved (was: Patch Available)
Thank you for the code review, Andrew. I committed this to trunk and branch-2.
bq. -1 core tests. The patch failed these unit tests in
hadoop-hdfs-project/hadoop-hdfs:
The test failures are unrelated to this patch. I couldn't repro.
> MiniDFSCluster may still be partially running after initialization fails.
> -------------------------------------------------------------------------
>
> Key: HDFS-6678
> URL: https://issues.apache.org/jira/browse/HDFS-6678
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0, 2.5.0
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
> Priority: Minor
> Fix For: 3.0.0, 2.6.0
>
> Attachments: HDFS-6678.1.patch
>
>
> {{MiniDFSCluster}} initializes the daemons (NameNodes, DataNodes) as part of
> object construction. If initialization fails, then the constructor throws an
> exception. When this happens, it's possible that daemons are left running in
> the background. There is effectively no way to clean up after this state,
> because the constructor failed, and therefore the caller has no way to
> trigger a shutdown.
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