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https://issues.apache.org/jira/browse/HADOOP-15465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16475032#comment-16475032
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Giovanni Matteo Fumarola commented on HADOOP-15465:
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Attached [^HADOOP-15465.v0.patch].
Few comments about this patch:
* The current unit tests analyzed \{{FileUtil#symLink}} as a black box. Those
run successfully in Linux and Windows.
* The code run without any problem in Windows and seems to work in a Linux as
well.
* {\{File.createSymbolicLink}} can throw {{UnsupportedOperationException}} and
{{FileAlreadyExistsException}}. The previous code did not take care of those
scenarios.
* One of the deprecated constructors in \{{MiniYarnCluster}} uses
{{Shell#getSymlinkCommand}}. We should remove it.
Thoughts?
> Use native java code for symlinks
> ---------------------------------
>
> Key: HADOOP-15465
> URL: https://issues.apache.org/jira/browse/HADOOP-15465
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Giovanni Matteo Fumarola
> Priority: Major
> Attachments: HADOOP-15465.v0.patch
>
>
> Hadoop uses the shell to create symbolic links. Now that Hadoop relies on
> Java 7+, we can deprecate all the shell code and rely on the Java APIs.
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