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Posted to common-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2009/09/18 01:12:58 UTC

[jira] Updated: (HADOOP-6269) Missing synchronization for defaultResources in Configuration.addResource

     [ https://issues.apache.org/jira/browse/HADOOP-6269?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HADOOP-6269:
--------------------------------

    Attachment: hadoop-6269.txt

Patch against trunk

> Missing synchronization for defaultResources in Configuration.addResource
> -------------------------------------------------------------------------
>
>                 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
>
>         Attachments: hadoop-6269.txt
>
>
> 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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