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https://issues.apache.org/jira/browse/MAPREDUCE-6651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alan Burlison updated MAPREDUCE-6651:
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Status: Patch Available (was: Open)
> MCollectorOutputHandler.cc makes misaligned accesses, coredumps ensue
> ---------------------------------------------------------------------
>
> Key: MAPREDUCE-6651
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6651
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: client
> Affects Versions: 2.7.2
> Environment: Any platform with alignment constraints
> Reporter: Alan Burlison
> Assignee: Alan Burlison
> Attachments: MAPREDUCE-6651.001.patch
>
>
> MCollectorOutputHandler.cc casts a misaligned byte pointer to a
> KVBufferWithParititionId, which causes coredumps on any platform with
> alignment constraints, such as SPARC. The misaligned structure needs to be
> copied into a local, aligned structure and the data referenced from there.
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