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From Geir Ove Grønmo <gr...@ontopia.net>
Subject Re: Strange Index problem
Date Thu, 17 Feb 2005 09:48:21 GMT
On Tue, 25 Jan 2005 13:54:00 +0100, Nestel, Frank  IZ/HZA-IOL  
<nestefan@de.ina.com> wrote:

> In one project we've a system which incrementally updates
> an index every night. This has been working fine. We've
> upgraded to Lucene 1.4.2 when it was there without observing a
> difference instantly. But now we regularly run into trouble.
> It seems like our index has "captured" a very defunc document
> and as long as you work around this document the index
> is still working, but as soon as you touch that particular
> document, you run into trouble:
>
> 	java.lang.IndexOutOfBoundsException: Index: 114, Size: 19
> 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.FieldsReader.doc(FieldsReader.java:66)
> at
> org.apache.lucene.index.SegmentReader.document(SegmentReader.java:237)
> at
> org.apache.lucene.index.SegmentMerger.mergeFields(SegmentMerger.java:185
> ) 	at
> org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:92)
> at
> org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:487)
> at
> org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:366)

I've just found a similar traceback in one of our deployed systems (using
version 1.4.3):

java.lang.IndexOutOfBoundsException: Index: 104, Size: 11
         at java.util.ArrayList.RangeCheck(ArrayList.java:507)
         at java.util.ArrayList.get(ArrayList.java:324)
         at  
org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:155)
         at org.apache.lucene.index.FieldsReader.doc(FieldsReader.java:66)
         at  
org.apache.lucene.index.SegmentReader.document(SegmentReader.java:237)
         at  
org.apache.lucene.index.SegmentMerger.mergeFields(SegmentMerger.java:185)
         at  
org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:92)
         at  
org.apache.lucene.index.IndexWriter.mergeSegments(IndexWriter.java:487)
         at  
org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:366)

After having gotten this error from the optimize() call, it is no longer  
possible
to search:

java.io.IOException: read past EOF
         at org.apache.lucene.store.InputStream.refill(InputStream.java:154)
         at  
org.apache.lucene.store.InputStream.readByte(InputStream.java:43)
         at  
org.apache.lucene.store.InputStream.readBytes(InputStream.java:57)
         at  
org.apache.lucene.index.SegmentReader.norms(SegmentReader.java:356)
         at org.apache.lucene.index.MultiReader.norms(MultiReader.java:159)
         at  
org.apache.lucene.search.TermQuery$TermWeight.scorer(TermQuery.java:64)
         at  
org.apache.lucene.search.BooleanQuery$BooleanWeight.scorer(BooleanQuery.java:165)
         at  
org.apache.lucene.search.BooleanQuery$BooleanWeight.scorer(BooleanQuery.java:165)
         at  
org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:85)
         at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:64)
         at org.apache.lucene.search.Hits.<init>(Hits.java:43)
         at org.apache.lucene.search.Searcher.search(Searcher.java:33)
         at org.apache.lucene.search.Searcher.search(Searcher.java:27)

Any ideas?

-- 
Geir O.


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