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https://issues.apache.org/jira/browse/HDFS-1845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John George updated HDFS-1845:
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Fix Version/s: 0.22.0
Status: Patch Available (was: Open)
> symlink comes up as directory after namenode restart
> ----------------------------------------------------
>
> Key: HDFS-1845
> URL: https://issues.apache.org/jira/browse/HDFS-1845
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 0.22.0
> Reporter: John George
> Assignee: John George
> Fix For: 0.22.0
>
> Attachments: HDFS-1845-apache.patch
>
>
> When a symlink is first created, it get added to EditLogs. When namenode is
> restarted, it reads from this editlog and represents a symlink correctly and
> saves this information to its image. If the namenode is restarted again, it
> reads its from this FSImage, but thinks that a symlink is a directory. This
> is because it uses "Block[] blocks" to determine if an INode is a directory,
> a file, or symlink. Since both a directory and a symlink has blocks as null,
> it thinks that a symlink is a directory.
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