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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2077) Name clash in the deprecated o.a.h.util.MemoryCalculatorPlugin
Date Wed, 03 Nov 2010 06:24:26 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12927753#action_12927753
] 

Luke Lu commented on MAPREDUCE-2077:
------------------------------------

bq. Have you run tests/test-patch?

It compiles and I was hoping Hudson would do the test/test-patch. OTOH, this class (in fact,
all the classes in this package inside the mr project) is not referenced anywhere in the project
(though probably still in someone's config files), so it should have no impact to the result
of test/test-patch.

> Name clash in the deprecated o.a.h.util.MemoryCalculatorPlugin
> --------------------------------------------------------------
>
>                 Key: MAPREDUCE-2077
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2077
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Luke Lu
>            Assignee: Luke Lu
>             Fix For: 0.22.0
>
>         Attachments: mr-2077-trunk-v1.patch
>
>
> Name clash compile error in the deprecated org.apache.hadoop.util.MemoryCalculatorPlugin
due to JLS3 8.4.8.3 (cf. http://bugs.sun.com/view_bug.do?bug_id=6182950)
> The bug doesn't manifest in jdk 1.6 up to 20, but shows up in NetBeans 6.9+ due to its
bundled (conforming) compiler. Fix is trivial: just remove the offending method in the deprecated
subclass as its equivalent erasure is inherited from the parent class anyway.

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