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https://issues.apache.org/jira/browse/HDFS-1088?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins updated HDFS-1088:
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Attachment: hdfs-1088-4.patch
Attached the same patch but this one doesn't override
TestFcHdfsSymlink#unwrapException. That's needed to make the tests in
HADOOP-6703 pass. I'll file a separate hdfs jira just to add this override.
Splitting the tests (core class and hdfs class) across projects is a pain.
> Prevent renaming a symlink to its target
> -----------------------------------------
>
> Key: HDFS-1088
> URL: https://issues.apache.org/jira/browse/HDFS-1088
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Reporter: Eli Collins
> Assignee: Eli Collins
> Attachments: hdfs-1088-1.patch, hdfs-1088-2.patch, hdfs-1088-3.patch,
> hdfs-1088-4.patch
>
>
> Here's the HDFS side of HADOOP-6563:
> * Small bug fix for renaming a symlink to it's target
> * Hdfs#getFileBlockLocations needs to use getUriPath() to ensure an absolute
> path is passed in. See minor change to INode#getPathNames, which now asserts
> instead of returning null and causing NPEs. This was exposed via calling
> FileContext#getFileBlockLocations using a symlink.
> * Comment in FSImage around symlinks and image loading
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