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https://issues.apache.org/jira/browse/HADOOP-10191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13941407#comment-13941407
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Chris Nauroth commented on HADOOP-10191:
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Hi, [~jira.shegalov]. Thanks for the patch. This change makes sense to me.
Tomorrow morning, I'll put it through some additional testing and give it the
final review.
> Missing executable permission on viewfs internal dirs
> -----------------------------------------------------
>
> Key: HADOOP-10191
> URL: https://issues.apache.org/jira/browse/HADOOP-10191
> Project: Hadoop Common
> Issue Type: Bug
> Components: viewfs
> Reporter: Gera Shegalov
> Priority: Blocker
> Attachments: HADOOP-10191.v01.patch
>
>
> ViewFileSystem allows 1) unconditional listing of internal directories (mount
> points) and 2) and changing work directories.
> 1) requires read permission
> 2) requires executable permission
> However, the hardcoded PERMISSION_RRR == 444 for FileStatus representing an
> internal dir does not have executable bit set.
> This confuses YARN localizer for public resources on viewfs because it
> requires executable permission for "other" on all of the ancestor directories
> of the resource.
> {code}
> java.io.IOException: Resource viewfs:/pubcache/cache.txt is not publicly
> accessable and as such cannot be part of the public cache.
> at org.apache.hadoop.yarn.util.FSDownload.copy(FSDownload.java:182)
> at
> org.apache.hadoop.yarn.util.FSDownload.access$000(FSDownload.java:51)
> at org.apache.hadoop.yarn.util.FSDownload$1.run(FSDownload.java:279)
> at org.apache.hadoop.yarn.util.FSDownload$1.run(FSDownload.java:277)
> {code}
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