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https://issues.apache.org/jira/browse/HADOOP-3166?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas updated HADOOP-3166:
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Attachment: 3166-0.patch
> SpillThread throws ArrayIndexOutOfBoundsException, which is ignored by MapTask
> ------------------------------------------------------------------------------
>
> Key: HADOOP-3166
> URL: https://issues.apache.org/jira/browse/HADOOP-3166
> Project: Hadoop Core
> Issue Type: Bug
> Reporter: Chris Douglas
> Assignee: Chris Douglas
> Priority: Blocker
> Fix For: 0.17.0
>
> Attachments: 3166-0.patch
>
>
> There is a flaw in the value bounds checking introduced by HADOOP-2919. When
> the index table determines the end offset of the value, it fails to detect
> that the next entry falls off the end of the array. This remains undetected
> by MapTask, which only notes IOExceptions from the spill thread. Both the
> boundary checking and the exception handling must be fixed.
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