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Posted to dev@lucene.apache.org by "Florian Waltersdorfer (JIRA)" <ji...@apache.org> on 2009/07/16 01:39:14 UTC
[jira] Commented: (LUCENE-504) FuzzyQuery produces a
"java.lang.NegativeArraySizeException" in PriorityQueue.initialize if I use
Integer.MAX_VALUE as BooleanQuery.MaxClauseCount
[ https://issues.apache.org/jira/browse/LUCENE-504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12731744#action_12731744 ]
Florian Waltersdorfer commented on LUCENE-504:
----------------------------------------------
Hi,
something along the line of
ScoreDoc[] results = searcher.search(query, MAX_NUMBER_OF_HITS).scoreDocs;
causes a viable crash. I would consider this a "natural" start when trying to write an own searcher (MAX_NUMBER_OF_HITS beeing Integer.MAX_VALUE) and without the sources attached & the (eclipse) debugger I would have never found the problem I'd guess.
So please do something about this pitfall, if only adding a warning in the javadoc of i.e. Searcher.search(..., int n, ...)
Thanks
Florian
> FuzzyQuery produces a "java.lang.NegativeArraySizeException" in PriorityQueue.initialize if I use Integer.MAX_VALUE as BooleanQuery.MaxClauseCount
> --------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-504
> URL: https://issues.apache.org/jira/browse/LUCENE-504
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 1.9
> Reporter: Joerg Henss
> Priority: Minor
> Attachments: BooleanQuery.java.diff, fuzzyquery.patch, PriorityQueue.java.diff, TestFuzzyQueryError.java
>
>
> PriorityQueue creates an "java.lang.NegativeArraySizeException" when initialized with Integer.MAX_VALUE, because Integer overflows. I think this could be a general problem with PriorityQueue. The Error occured when I set BooleanQuery.MaxClauseCount to Integer.MAX_VALUE and user a FuzzyQuery for searching.
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