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Date: Mon, 13 May 2013 00:19:15 +0000 (UTC)
From: "Stevo Slavic (JIRA)" <jira@apache.org>
To: common-issues@hadoop.apache.org
Message-ID: <JIRA.12556928.1337722481554.307828.1368404355579@arcas>
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Subject: [jira] [Commented] (HADOOP-8425) Upgrade commons-math version to
 2.2
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    [ https://issues.apache.org/jira/browse/HADOOP-8425?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13655694#comment-13655694 ] 

Stevo Slavic commented on HADOOP-8425:
--------------------------------------

Other projects using hadoop, like mahout, use commons-math3, and it's not nice to have hadoop trailing, and have both commons-math and commons-math3 on classpath.
                
> Upgrade commons-math version to 2.2
> -----------------------------------
>
>                 Key: HADOOP-8425
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8425
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: metrics
>    Affects Versions: 1.0.3, 0.23.1
>            Reporter: Luke Lu
>            Assignee: Yu Li
>
> From commons math 2.2 release note: "This is primarily a maintenance release, but it also includes new features and enhancements. Users of version 2.1 are encouraged to upgrade to 2.2, as this release includes some important bug fixes." Some downstream projects also need some new features in 2.2. Until we have a clear user container story, upgrading the dependency in Hadoop core is the most painless solution.

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