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https://issues.apache.org/jira/browse/LUCENE-10467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17517545#comment-17517545
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ASF subversion and git services commented on LUCENE-10467:
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Commit a071180a806d1bb7ae11ae30a07e43e452bea810 in lucene's branch
refs/heads/main from Greg Miller
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=a071180a806 ]
Add CHANGES entry for LUCENE-10467
> Throws IllegalArgumentException for getAllDims and getTopChildren if topN <= 0
> ------------------------------------------------------------------------------
>
> Key: LUCENE-10467
> URL: https://issues.apache.org/jira/browse/LUCENE-10467
> Project: Lucene - Core
> Issue Type: Improvement
> Components: modules/facet
> Reporter: Yuting Gan
> Priority: Minor
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Currently, there are different behaviors from subclass that implements and
> overrides getAllDims and getTopChildren when passing in an invalid TopN
> parameter (topN <= 0). Some overridden implementations throw a
> NullPointerException, some throw an IllegalArgumentException, and others
> throw no exception.
> It would provide a better user experience by consistently throwing an
> IllegalArgumentException when requesting topN <= 0 for these two
> functionalities across all implementations.
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