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https://issues.apache.org/jira/browse/HADOOP-8734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454336#comment-13454336
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Ivan Mitic commented on HADOOP-8734:
------------------------------------
What I mean is that I made a small change to TestMRWithDistributedCache such
that the test fails without my fix to the LocalJobRunner.
{code}
+ // Change permissions on one file to be private (others cannot read
+ // the file) to make sure private distributed cache works fine with
+ // the LocalJobRunner.
+ FileUtil.chmod(fourth.toUri().getPath(), "700");
{code}
Let me know if this clarifies things.
> LocalJobRunner does not support private distributed cache
> ---------------------------------------------------------
>
> Key: HADOOP-8734
> URL: https://issues.apache.org/jira/browse/HADOOP-8734
> Project: Hadoop Common
> Issue Type: Bug
> Components: filecache
> Reporter: Ivan Mitic
> Assignee: Ivan Mitic
> Attachments: HADOOP-8734-LocalJobRunner.patch
>
>
> It seems that LocalJobRunner does not support private distributed cache. The
> issue is more visible on Windows as all DC files are private by default (see
> HADOOP-8731).
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