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https://issues.apache.org/jira/browse/LUCENE-309?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17178175#comment-17178175
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Nguyễn Tiến sỹ commented on LUCENE-309:
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[~tsmatphanhtoken]
> [PATCH] IndexSearcher.search(query,filter,nDocs) accepts zero nDocs
> -------------------------------------------------------------------
>
> Key: LUCENE-309
> URL: https://issues.apache.org/jira/browse/LUCENE-309
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Environment: Operating System: other
> Platform: Other
> Reporter: Paul Elschot
> Assignee: Lucene Developers
> Priority: Minor
> Attachments: ASF.LICENSE.NOT.GRANTED--IndexSearcherPatch1.txt
>
>
> This caused an npe from the ht.top().score lateron.
> The root cause was a bug in a test case, which took
> more time to track down than would have been necessary
> with the attached patch.
> The patch throws an IllegalArgumentException for non positive nDocs.
> All current tests pass with the patch applied.
>
> Regards,
> Paul
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