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From "Jinghui Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7282) TestShortCircuitCache and TestBlockReaderFactory have failures caused by TemporarySocketDirectory getting garbage collected before Datanode starts up accessing the dir causing FileNotFoundException.
Date Mon, 27 Oct 2014 17:47:34 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14185492#comment-14185492
] 

Jinghui Wang commented on HDFS-7282:
------------------------------------

Not having the closes is not the root cause for the failures. The root cause is the TemporaryScoketDirectory
are not being referenced anywhere in the test. Adding the close method is making sure TemporaryScoketDirectory
is referenced during the test and it's consistent with some other test cases using TemporaryScoketDirectory
.

> TestShortCircuitCache and TestBlockReaderFactory have failures caused by TemporarySocketDirectory
getting garbage collected before Datanode starts up accessing the dir causing FileNotFoundException.
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-7282
>                 URL: https://issues.apache.org/jira/browse/HDFS-7282
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 2.4.1
>            Reporter: Jinghui Wang
>            Assignee: Jinghui Wang
>         Attachments: HDFS-7282.patch
>
>
> TemporarySocketDirectory has finalize method deletes the directory, in TestShortCircuitCache
and TestBlockReaderFactory, the TemporarySocketDirectory created are not refereced later in
the tests, which can get garbage collected (deleted the dir) before Datanode start up accessing
the directory under TemporarySocketDirectory causing FileNotFoundException.



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