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From "Matt Foley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7326) TestTrash.testTrashEmptier() infinite loops if run on a home directory with stuff in .Trash
Date Fri, 17 Jun 2011 22:34:49 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13051367#comment-13051367
] 

Matt Foley commented on HADOOP-7326:
------------------------------------

FSMainOperationsBaseTest is a nice class that seems well-behaved for sharing between unit
tests of multiple FileSystems, both Local and HDFS.  It uses FileSystemTestHelper for setting
up test data root directories.


> TestTrash.testTrashEmptier() infinite loops if run on a home directory with stuff in
.Trash
> -------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-7326
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7326
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.22.0, 0.23.0
>            Reporter: Matt Foley
>            Assignee: Matt Foley
>         Attachments: hadoop-7326-TestTrash-1.patch
>
>
> This bug was discovered while investigating HDFS-1967, intermittent failure of TestHDFSTrash,
which calls TestTrash.  If the user id running the test has a ~/.Trash directory that already
has 4 or more files in it, a loop in TestTrash.testTrashEmptier() will never terminate, because
it is waiting for the count of objects to increase from zero to exactly three (and it creates
one object right away).

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