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Posted to common-issues@hadoop.apache.org by "John Zhuge (JIRA)" <ji...@apache.org> on 2016/10/13 22:30:22 UTC
[jira] [Updated] (HADOOP-7352) FileSystem#listStatus should throw
IOE upon access error
[ https://issues.apache.org/jira/browse/HADOOP-7352?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Zhuge updated HADOOP-7352:
-------------------------------
Attachment: HADOOP-7352.005.patch
Patch 005:
* Fix javadoc for {{FileSystem#listStatus}}
> FileSystem#listStatus should throw IOE upon access error
> --------------------------------------------------------
>
> Key: HADOOP-7352
> URL: https://issues.apache.org/jira/browse/HADOOP-7352
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 2.6.0
> Reporter: Matt Foley
> Assignee: John Zhuge
> Attachments: HADOOP-7352.001.patch, HADOOP-7352.002.patch, HADOOP-7352.003.patch, HADOOP-7352.004.patch, HADOOP-7352.005.patch
>
>
> In HADOOP-6201 and HDFS-538 it was agreed that FileSystem::listStatus should throw FileNotFoundException instead of returning null, when the target directory did not exist.
> However, in LocalFileSystem implementation today, FileSystem::listStatus still may return null, when the target directory exists but does not grant read permission. This causes NPE in many callers, for all the reasons cited in HADOOP-6201 and HDFS-538. See HADOOP-7327 and its linked issues for examples.
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