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https://issues.apache.org/jira/browse/HDFS-4626?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Wang updated HDFS-4626:
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Description: {{HdfsFileStatus#getLinkTarget}} can throw a NPE in
{{DFSUtil#bytes2String}} if {{symlink}} is null. (was:
{{HdfsFileStatus#getLinkTarget}} can throw a NPE in {{DFSUtil#bytes2String}} if
{{symlink}} is null. Better to instead return null and propagate this to the
client.)
Summary: ClientProtocol#getLinkTarget should throw an exception for
non-symlink and non-existent paths (was: ClientProtocol#getLinkTarget should
throw an exception for non-existent paths)
> ClientProtocol#getLinkTarget should throw an exception for non-symlink and
> non-existent paths
> ---------------------------------------------------------------------------------------------
>
> Key: HDFS-4626
> URL: https://issues.apache.org/jira/browse/HDFS-4626
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Andrew Wang
> Assignee: Andrew Wang
> Priority: Minor
> Attachments: hadoop-9415-1.patch, hadoop-9415-2.patch,
> hadoop-9415-3.patch, hdfs-4626-1.patch, hdfs-4626-2.patch
>
>
> {{HdfsFileStatus#getLinkTarget}} can throw a NPE in {{DFSUtil#bytes2String}}
> if {{symlink}} is null.
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