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https://issues.apache.org/jira/browse/HDFS-10287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15256596#comment-15256596
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John Zhuge commented on HDFS-10287:
-----------------------------------
Thanks [~boky01] for creating the patch, however, you comment only applies to
{{MiniYARNCluster}} not {{MiniDFSCluster}}. I closed YARN-4959 accordingly.
{{MiniDFSCluster}} does NOT extend any class, thus still has the issue.
BTW, your patch updates unit tests to use "try-with-resources" feature. You
should create a new jira and upload the patch there.
Thank you for looking into the issue!
> MiniDFSCluster should implement AutoCloseable
> ---------------------------------------------
>
> Key: HDFS-10287
> URL: https://issues.apache.org/jira/browse/HDFS-10287
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: test
> Affects Versions: 2.7.0
> Reporter: John Zhuge
> Assignee: John Zhuge
> Priority: Trivial
> Attachments: HDFS-10287.01.patch
>
>
> {{MiniDFSCluster}} should implement {{AutoCloseable}} in order to support
> [try-with-resources|https://docs.oracle.com/javase/tutorial/essential/exceptions/tryResourceClose.html].
> It will make test code a little cleaner and more reliable.
> Since {{AutoCloseable}} is only in Java 1.7 or later, this can not be
> backported to Hadoop version prior to 2.7.
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