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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 reopened HADOOP-6196:
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No patch fixing this issue has been integrated into 0.21, yet; a committer
needs to review and approve the patch before it can be pushed to the repository
and we can resolve the issue as "fixed." I'm reopening the issue and marking it
"patch available" again.
Considering the pain of writing incompatible SequenceFiles, I'm leaning away
from bumping the version and just going with the compatible change to the
reader. If the modified Reader approach seems hackish or I'm overestimating the
pain of bumping the version, I'm open to the alternate strategy, but unless we
have formats that call sync(0) regularly it seems like a reasonable workaround.
> 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.
> Patch w/ test attached, bumps VERSION from 6 to 7.
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