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https://issues.apache.org/jira/browse/HDFS-13302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16402525#comment-16402525
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Bharat Viswanadham commented on HDFS-13302:
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+1.
LGTM.
Thanks, [~elek] for detailed offline discussion.
> Ozone: fix classpath of yarn components
> ---------------------------------------
>
> Key: HDFS-13302
> URL: https://issues.apache.org/jira/browse/HDFS-13302
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: HDFS-7240
> Affects Versions: HDFS-7240
> Reporter: Elek, Marton
> Assignee: Elek, Marton
> Priority: Major
> Attachments: HDFS-13302-HDFS-7240.001.patch
>
>
> HDFS-13258 introduced a separated classpath for hdsl/cblock/ozone components.
> The reason is the behaviour of the dist-layout-stitching. The internal copy
> command in the dist-layout-stitching copies the jar files only if they don
> not exist in any of the existing subfolder of the share/hadoop directory.
> With the new separated classpath if some of the dependencies are already
> copied to share/hadoop/hdsl or share/hadoop/ozone, they won't be copied to
> the share/hadoop/yarn directory and won't be added to the classpath. (as the
> hdsl copy is before the yarn copy commands)
> Could be fixed easily with moving the ozone/cblock/hdsl related stuff to the
> end of the dist-layout-stitching.
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