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https://issues.apache.org/jira/browse/HDFS-3505?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HDFS-3505:
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Attachment: HDFS-3505.001.patch
remember to call ExecutorService#awaitTermination (otherwise, the worker
threads are told to stop, but not joined.)
> DirectoryScanner does not join all threads in shutdown
> ------------------------------------------------------
>
> Key: HDFS-3505
> URL: https://issues.apache.org/jira/browse/HDFS-3505
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.0.0-alpha
> Reporter: Colin Patrick McCabe
> Assignee: Colin Patrick McCabe
> Priority: Minor
> Attachments: HDFS-3505.001.patch
>
>
> DirectoryScanner does not join all the threads it spawned during
> DirectoryScanner#shutdown.
> This can lead to rare failures in TestDirectoryScanner when some threads
> linger past their designated expiration date and cause interference between
> different test runs.
> The fix is to call ExecutorService#awaitTermination.
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