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https://issues.apache.org/jira/browse/LUCENE-880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Busch updated LUCENE-880:
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Attachment: lucene-880.patch
Patch with new unit test.
> DocumentWriter closes TokenStreams too early
> --------------------------------------------
>
> Key: LUCENE-880
> URL: https://issues.apache.org/jira/browse/LUCENE-880
> Project: Lucene - Java
> Issue Type: Bug
> Reporter: Michael Busch
> Assigned To: Michael Busch
> Priority: Minor
> Attachments: lucene-880.patch
>
>
> The DocumentWriter closes a TokenStream as soon as it has consumed its
> tokens. The javadoc of TokenStream.close() says that it releases resources
> associated with the stream. However, the DocumentWriter keeps references of
> the resources (i. e. payload byte arrays, term strings) until it writes the
> postings to the new segment, which means that DocumentWriter should call
> TokenStream.close() after it has written the postings.
> This problem occurs in multithreaded applications where e. g. pooling is used
> for the resources. My patch adds a new test to TestPayloads which shows this
> problem. Multiple threads add documents with payloads to an index and use a
> pool of byte arrays for the payloads. TokenStream.close() puts the byte
> arrays back into the pool. The test fails with the old version but runs
> successfully with the patched version.
> All other units tests pass as well.
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