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https://issues.apache.org/jira/browse/LUCENE-5958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Muir updated LUCENE-5958:
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Attachment: LUCENE-5958.patch
Here's a first stab: when we hit 'unrecoverable exception' like this, we record
the exception (instead of hitOOM), close ourselves. In such a "screwed" state
IndexFileDeleter also refuses to delete any files so we wont corrupt anything.
This is better on the user i think, because previously they had to do this OOM
handling themselves, but now IW will throw ACE (with root cause of why it had
to do this) on any future operation.
> OOM or exceptions during checkpoint make IndexWriter have a bad day
> -------------------------------------------------------------------
>
> Key: LUCENE-5958
> URL: https://issues.apache.org/jira/browse/LUCENE-5958
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Attachments: LUCENE-5958.patch
>
>
> During finishCommit(), we run checkpoint after we wrote the commit to disk,
> but if things go wrong here (e.g. IOError when IFD deletes a pending file,
> OOM), then everything will go wrong (we won't even properly incref things,
> and may end out deleting wrong files if the user calls rollback, leaving a
> corrupt index).
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