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From "Yonik Seeley (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-415) Merge error during add to index (IndexOutOfBoundsException)
Date Tue, 21 Mar 2006 22:37:58 GMT
    [ http://issues.apache.org/jira/browse/LUCENE-415?page=comments#action_12371323 ] 

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

I'm not sure I understand... the new file will be the output or result of a merge, not the
input, right?
Is the problem that the output is appended to an existing file?  In that case, I can see the
logic of the file.setLength(0) in your fix.

Could you elaborate more on the effects of "file.getChannel()"?  Is it really needed?


> 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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