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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6269) Missing synchronization for defaultResources in Configuration.addResource
Date Thu, 17 Sep 2009 23:08:57 GMT
Missing synchronization for defaultResources in Configuration.addResource
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                 Key: HADOOP-6269
                 URL: https://issues.apache.org/jira/browse/HADOOP-6269
             Project: Hadoop Common
          Issue Type: Bug
          Components: conf
    Affects Versions: 0.20.1
            Reporter: Todd Lipcon
            Assignee: Todd Lipcon
             Fix For: 0.20.2, 0.21.0


Configuration.defaultResources is a simple ArrayList. In two places in Configuration it is
accessed without appropriate synchronization, which we've seen to occasionally result in ConcurrentModificationExceptions.

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