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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-415) Merge error during add to index (IndexOutOfBoundsException)
Date Thu, 22 Jun 2006 14:53:30 GMT
    [ http://issues.apache.org/jira/browse/LUCENE-415?page=comments#action_12417317 ] 

Yonik Seeley commented on LUCENE-415:
-------------------------------------

Thanks for catching that Volodymyr.

I did a further search of the code, and FSIndexOutput is only instantiated in one place: createOutput()
which already does a check if the file exists, and if so deletes it.  If it can't delete it,
an exception is thrown.

So while this patch may have been valid for 1.4, it is no longer needed for Lucene 2.0
Does that look right?  If so, I'll revert it.

> Merge error during add to index (IndexOutOfBoundsException)
> -----------------------------------------------------------
>
>          Key: LUCENE-415
>          URL: http://issues.apache.org/jira/browse/LUCENE-415
>      Project: Lucene - Java
>         Type: Bug

>   Components: Index
>     Versions: 1.4
>  Environment: Operating System: Linux
> Platform: Other
>     Reporter: Daniel Quaroni
>     Assignee: Lucene Developers

>
> I've been batch-building indexes, and I've build a couple hundred indexes with 
> a total of around 150 million records.  This only happened once, so it's 
> probably impossible to reproduce, but anyway... I was building an index with 
> around 9.6 million records, and towards the end I got this:
> java.lang.IndexOutOfBoundsException: Index: 54, Size: 24
>         at java.util.ArrayList.RangeCheck(ArrayList.java:547)
>         at java.util.ArrayList.get(ArrayList.java:322)
>         at org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:155)
>         at org.apache.lucene.index.FieldInfos.fieldName(FieldInfos.java:151)
>         at org.apache.lucene.index.SegmentTermEnum.readTerm(SegmentTermEnum.java
> :149)
>         at org.apache.lucene.index.SegmentTermEnum.next
> (SegmentTermEnum.java:115)
>         at org.apache.lucene.index.SegmentMergeInfo.next
> (SegmentMergeInfo.java:52)
>         at org.apache.lucene.index.SegmentMerger.mergeTermInfos
> (SegmentMerger.java:294)
>         at org.apache.lucene.index.SegmentMerger.mergeTerms
> (SegmentMerger.java:254)
>         at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:93)
>         at org.apache.lucene.index.IndexWriter.mergeSegments
> (IndexWriter.java:487)
>         at org.apache.lucene.index.IndexWriter.maybeMergeSegments
> (IndexWriter.java:458)
>         at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:310)
>         at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:294)

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