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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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Chris Douglas updated HADOOP-6196:
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Description: 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. (was: 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.)
Release Note: Avoids sync(0) failures in SequenceFile::Reader by resolving
all requests to sync within the header to the first record in the SequenceFile
(was: Resolved with patch from Chris Douglas that avoids breaking compatibility)
> 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
> Assignee: Jay Booth
> Fix For: 0.21.0
>
> Attachments: C6196-0.patch, C6196-test.patch,
> hadoop-6196-multipatch.txt, 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.
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