Robert Kanter created HADOOP-11612:
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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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