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https://issues.apache.org/jira/browse/LUCENE-1453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uwe Schindler updated LUCENE-1453:
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Attachment: LUCENE-1453-with-FSDir-open.patch
This is a variant for testing the same with FSDir.open(). As you see, the
reopening now also works correctly here and the underlying directory is not
closed too often.
This patch is for demonstration only.
> When reopen returns a new IndexReader, both IndexReaders may now control the
> lifecycle of the underlying Directory which is managed by reference counting
> ---------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-1453
> URL: https://issues.apache.org/jira/browse/LUCENE-1453
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 2.4
> Reporter: Mark Miller
> Assignee: Michael McCandless
> Priority: Minor
> Fix For: 2.4.1, 2.9
>
> Attachments: Failing-testcase-LUCENE-1453.patch,
> LUCENE-1453-with-FSDir-open.patch, LUCENE-1453.patch, LUCENE-1453.patch,
> LUCENE-1453.patch, LUCENE-1453.patch
>
>
> Rough summary. Basically, FSDirectory tracks references to FSDirectory and
> when IndexReader.reopen shares a Directory with a created IndexReader and
> closeDirectory is true, FSDirectory's ref management will see two decrements
> for one increment. You can end up getting an AlreadyClosed exception on the
> Directory when the IndexReader is open.
> I have a test I'll put up. A solution seems fairly straightforward (at least
> in what needs to be accomplished).
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