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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11612) Workaround for Curator's ChildReaper requiring Guava 15+
Date Sat, 21 Feb 2015 12:19:16 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11612?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14330188#comment-14330188
] 

Hudson commented on HADOOP-11612:
---------------------------------

SUCCESS: Integrated in Hadoop-Yarn-trunk #845 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk/845/])
HADOOP-11612. Workaround for Curator's ChildReaper requiring Guava 15+. (rkanter) (rkanter:
rev 6f0133039a064ca82363ac6f29fb255506f31b8a)
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/curator/ChildReaper.java
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/curator/TestChildReaper.java


> Workaround for Curator's ChildReaper requiring Guava 15+
> --------------------------------------------------------
>
>                 Key: HADOOP-11612
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11612
>             Project: Hadoop Common
>          Issue Type: Task
>    Affects Versions: 2.8.0
>            Reporter: Robert Kanter
>            Assignee: Robert Kanter
>             Fix For: 2.7.0
>
>         Attachments: HADOOP-11612.001.patch, HADOOP-11612.002.patch, HADOOP-11612.003.patch
>
>
> HADOOP-11492 upped the Curator version to 2.7.1, which makes the {{ChildReaper}} class
use a method that only exists in newer versions of Guava (we have 11.0.2, and it needs 15+).
 As a workaround, we can copy the {{ChildReaper}} class into hadoop-common and make a minor
modification to allow it to work with Guava 11.
> The {{ChildReaper}} is used by Curator to cleanup old lock znodes.  Curator locks are
needed by YARN-2942.



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