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From "Andrew Wang (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HADOOP-9877) Fix listing of snapshot directories in globStatus
Date Fri, 06 Sep 2013 22:58:52 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-9877?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Andrew Wang reopened HADOOP-9877:

Hey folks, based on Jason's report in HADOOP-9912, I reverted this change from branch-2 and
trunk, since it broke Pig completely. This, of course, means we can no longer list snapshot
directories, so this is a temporary fix while we work on fixing the globber more broadly in
> Fix listing of snapshot directories in globStatus
> -------------------------------------------------
>                 Key: HADOOP-9877
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9877
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.1.0-beta
>            Reporter: Binglin Chang
>            Assignee: Binglin Chang
>             Fix For: 3.0.0, 2.3.0
>         Attachments: HADOOP-9877-branch2.patch, HADOOP-9877.v1.patch, HADOOP-9877.v2.patch,
HADOOP-9877.v3.patch, HADOOP-9877.v4.patch, HADOOP-9877.v5.patch
> {code}
> decster:~/hadoop> bin/hadoop fs -ls "/foo/.snapshot"
> 13/08/16 01:17:22 INFO hdfs.DFSClient: +++++ listPath(/)
> 13/08/16 01:17:22 INFO hdfs.DFSClient: +++++ listPath(/foo)
> ls: `/foo/.snapshot': No such file or directory
> {code}
> HADOOP-9817 refactor some globStatus code, but forgot to handle special case that .snapshot
dir is not show up in listStatus but exists, so we need to explicitly check path existence
using getFileStatus, rather than depending on listStatus results.

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