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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-7287) Configuration deprecation mechanism doesn't work properly for GenericOptionsParser/Tools
Date Sun, 22 May 2011 07:04:47 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-7287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13037517#comment-13037517

Hadoop QA commented on HADOOP-7287:

+1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 1125221.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    +1 core tests.  The patch passed core unit tests.

    +1 system test framework.  The patch passed system test framework compile.

Test results: https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/496//testReport/
Findbugs warnings: https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/496//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/hudson/job/PreCommit-HADOOP-Build/496//console

This message is automatically generated.

> Configuration deprecation mechanism doesn't work properly for GenericOptionsParser/Tools
> ----------------------------------------------------------------------------------------
>                 Key: HADOOP-7287
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7287
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: conf
>    Affects Versions: 0.22.0, 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Aaron T. Myers
>            Priority: Blocker
>             Fix For: 0.22.0, 0.23.0
>         Attachments: hadoop-7287-still-broken.txt, hadoop-7287-testcase.txt, hadoop-7287-trunk.0.patch,
hadoop-7287-trunk.1.patch, hadoop-7287-trunk.2.patch
> For example, you can't use -D options on the "hadoop fs" command line in order to specify
the deprecated names of configuration options. The issue is that the ordering is:
> - JVM starts
> - GenericOptionsParser creates a Configuration object and calls set() for each of the
options specified on command line
> - DistributedFileSystem or other class eventually instantiates HdfsConfiguration which
adds the deprecations
> - Some class calls conf.get("new key") and sees the default instead of the version set
on the command line

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