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https://issues.apache.org/jira/browse/HDFS-4275?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13511576#comment-13511576
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Chris Nauroth commented on HDFS-4275:
-------------------------------------
This is partially caused by the test timeout in {{TestBalancerWithNodeGroup}}
documented in HDFS-4261. After a test timeout, a {{MiniDFSCluster}} is left
running. On Windows, it will hold open file handles on the test data
directory, preventing subsequent tests from starting their own
{{MiniDFSCluster}}. This means that a test timeout on Windows causes a failure
not only for that test, but also for all subsequent {{MiniDFSCluster}}-based
tests.
Applying the HDFS-4261 patch moved the Windows test run forward, but then it
hit a similar situation with {{TestBlockRecovery}}. This one appears to be
Windows-specific.
> MiniDFSCluster-based tests fail on Windows due to failure to delete test name
> node directory
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-4275
> URL: https://issues.apache.org/jira/browse/HDFS-4275
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: trunk-win
> Reporter: Chris Nauroth
> Assignee: Chris Nauroth
>
> Multiple HDFS test suites fail on Windows during initialization of
> {{MiniDFSCluster}} due to "Could not fully delete" the name testing data
> directory.
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