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From "Robert Kanter (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-11612) Workaround for Curator's ChildReaper requiring Guava 15+
Date Thu, 19 Feb 2015 00:35:11 GMT
Robert Kanter created HADOOP-11612:

             Summary: 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

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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