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Posted to common-issues@hadoop.apache.org by "Matt Foley (JIRA)" <ji...@apache.org> on 2011/06/18 00:34:49 UTC

[jira] [Commented] (HADOOP-7326) TestTrash.testTrashEmptier() infinite loops if run on a home directory with stuff in .Trash

    [ 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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