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https://issues.apache.org/jira/browse/HADOOP-6536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12829170#action_12829170
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Hemanth Yamijala commented on HADOOP-6536:
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Based on a simple test I did on Linux, it appears that removal of a symlink
(whether to file or directory) only removes the link. If I treat
FileUtil.fullyDelete as a Java equivalent for "rm -r", then it seems to me that
there's a bug in the implementation of FileUtil.fullyDelete. It should only
delete the link and not contents of it. IOW, I am +1 for Ravi's proposal.
> FileUtil.fullyDelete(dir) behavior is not defined when we pass a symlink as
> the argument
> ----------------------------------------------------------------------------------------
>
> Key: HADOOP-6536
> URL: https://issues.apache.org/jira/browse/HADOOP-6536
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Reporter: Amareshwari Sriramadasu
> Fix For: 0.22.0
>
>
> FileUtil.fullyDelete(dir) deletes contents of sym-linked directory when we
> pass a symlink. If this is the behavior, it should be documented as so.
> Or it should be changed not to delete the contents of the sym-linked
> directory.
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