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Date: Thu, 23 Feb 2012 04:39:48 +0000 (UTC)
From: "Eli Collins (Updated) (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
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Subject: [jira] [Updated] (HADOOP-8105) FilterFileSystem should delegate
 initialize rather than use super
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     [ https://issues.apache.org/jira/browse/HADOOP-8105?page=3Dcom.atlassi=
an.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eli Collins updated HADOOP-8105:
--------------------------------

    Description: The FilterFileSystem javadoc says "The class FilterFileSys=
tem itself simply overrides all methods of FileSystem with versions that pa=
ss all requests to the contained file system." initialize(URI, Configuratio=
n) is part of the FileSystem API, and before HADOOP-8013 it simply called f=
s.initialize(). After HADOOP-8013 it calls super.initialize() rather than d=
elegating. This breaks a number of the Hive tests. Hive's ProxyLocalFileSys=
tem would be able to work around this problem by calling setConf, but unfor=
tunately FilterFileSystem does not override that method. We need to make Fi=
lterFileSystem call fs.initialize (instead of using super) and also overrid=
e setConf.  (was: The FilterFileSystem javadoc says "The class FilterFileSy=
stem itself simply overrides all methods of FileSystem with versions that p=
ass all requests to the contained file system." initialize(URI, Configurati=
on) is part of the FileSystem API, and before HADOOP-8013 it simply called =
fs.initialize(). After HADOOP-8013 it calls super.initialize() rather than =
delegating. Hive's ProxyLocalFileSystem would be able to work around this p=
roblem by calling setConf, but unfortunately FilterFileSystem does not over=
ride that method. We need to make FilterFileSystem call fs.initialize (inst=
ead of using super) and also override setConf.)
   =20
> FilterFileSystem should delegate initialize rather than use super
> -----------------------------------------------------------------
>
>                 Key: HADOOP-8105
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8105
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.23.1
>            Reporter: Eli Collins
>            Priority: Blocker
>
> The FilterFileSystem javadoc says "The class FilterFileSystem itself simp=
ly overrides all methods of FileSystem with versions that pass all requests=
 to the contained file system." initialize(URI, Configuration) is part of t=
he FileSystem API, and before HADOOP-8013 it simply called fs.initialize().=
 After HADOOP-8013 it calls super.initialize() rather than delegating. This=
 breaks a number of the Hive tests. Hive's ProxyLocalFileSystem would be ab=
le to work around this problem by calling setConf, but unfortunately Filter=
FileSystem does not override that method. We need to make FilterFileSystem =
call fs.initialize (instead of using super) and also override setConf.

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