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https://issues.apache.org/jira/browse/HADOOP-6196?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jay Booth updated HADOOP-6196:
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Release Note: The consequences of committing this would be that hadoop-0.20
can't read hadoop-0.21 sequence files unless we backport. The change in itself
is in the neighborhood of 5 lines of code, but does introduce an
incompatibility.
Status: Patch Available (was: Open)
> sync(0); next() breaks SequenceFile
> -----------------------------------
>
> Key: HADOOP-6196
> URL: https://issues.apache.org/jira/browse/HADOOP-6196
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Jay Booth
> Attachments: sync-bug.patch
>
>
> Currently, the end of the SequenceFile header is a sync block that isn't
> prefaced with SYNC_ESCAPE. This means that sync(0) followed by next() fails.
> Patch w/ test attached, bumps VERSION from 6 to 7.
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