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From "paul.elschot (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-413) [PATCH] BooleanScorer2 ArrayIndexOutOfBoundsException + alternative NearSpans
Date Wed, 29 Mar 2006 18:56:43 GMT
     [ http://issues.apache.org/jira/browse/LUCENE-413?page=all ]

paul.elschot updated LUCENE-413:
--------------------------------

    Attachment: DisjunctionSumScorerPatch5.txt

Patch for org.apache.lucene.search.DisjunctionSumScorer.java .

This query was reported by Ramana Jelda on java-user to have the same problem:
+(
  +(
    spanNear([productName:mp, productName:3], 3, true) 
    spanNear([subName:mp, subName:3], 3, true)
   ) 
 +(productName:player subName:player)
)

Looking at the query structure and the one reported earlier, I realized the bug
could also be in DisjunctionSumScorer.skipTo(), and not in the span query code.

Now let's hope this does it...


> [PATCH] BooleanScorer2 ArrayIndexOutOfBoundsException + alternative NearSpans
> -----------------------------------------------------------------------------
>
>          Key: LUCENE-413
>          URL: http://issues.apache.org/jira/browse/LUCENE-413
>      Project: Lucene - Java
>         Type: Bug
>   Components: Search
>     Versions: CVS Nightly - Specify date in submission
>  Environment: Operating System: other
> Platform: Other
>     Reporter: paul.elschot
>     Assignee: Lucene Developers
>  Attachments: DisjunctionSumScorerPatch3.txt, DisjunctionSumScorerPatch4.txt, DisjunctionSumScorerPatch5.txt,
DisjunctionSumScorerTestPatch1.txt, NearSpansOrdered.java, NearSpansOrderedBugHuntPatch1.txt,
NearSpansUnordered.java, SpanNearQueryPatch1.txt, SpanScorerTestPatch1.txt
>
> From Erik's post at java-dev: 
>  
> >      [java] Caused by: java.lang.ArrayIndexOutOfBoundsException: 4 
> >      [java]     at org.apache.lucene.search.BooleanScorer2  
> > $Coordinator.coordFactor(BooleanScorer2.java:54) 
> >      [java]     at org.apache.lucene.search.BooleanScorer2.score  
> > (BooleanScorer2.java:292) 
> ... 
>  
> and my answer: 
>  
> Probably nrMatchers is increased too often in score() by calling score() 
> more than once.

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