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From "Gili Nachum (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-2501) ArrayIndexOutOfBoundsException in ByteBlockPool.allocSlice
Date Thu, 02 Aug 2012 08:42:02 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-2501?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13427179#comment-13427179
] 

Gili Nachum commented on LUCENE-2501:
-------------------------------------

Seeing a similar issue on 3.1.0. Was this ever resolved? or there's a workaround?

Stack:
{quote}
00000049 SeedlistOpera Failed to process operation ADD java.lang.ArrayIndexOutOfBoundsException
at org.apache.lucene.index.ByteBlockPool.allocSlice(ByteBlockPool.java:135) at org.apache.lucene.index.TermsHashPerField.writeByte(TermsHashPerField.java:502)
at org.apache.lucene.index.TermsHashPerField.writeVInt(TermsHashPerField.java:523) at org.apache.lucene.index.FreqProxTermsWriterPerField.writeProx(FreqProxTermsWriterPerField.java:106)
at org.apache.lucene.index.FreqProxTermsWriterPerField.newTerm(FreqProxTermsWriterPerField.java:126)
at org.apache.lucene.index.TermsHashPerField.add(TermsHashPerField.java:479) at org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:169)
at org.apache.lucene.index.DocFieldProcessorPerThread.processDocument(DocFieldProcessorPerThread.java:248)
at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:701) at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:2194)
at 
...
{quote}
                
> ArrayIndexOutOfBoundsException in ByteBlockPool.allocSlice
> ----------------------------------------------------------
>
>                 Key: LUCENE-2501
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2501
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: core/index
>    Affects Versions: 3.0.1
>            Reporter: Tim Smith
>
> I'm seeing the following exception during indexing:
> {code}
> Caused by: java.lang.ArrayIndexOutOfBoundsException: 14
> at org.apache.lucene.index.ByteBlockPool.allocSlice(ByteBlockPool.java:118)
> at org.apache.lucene.index.TermsHashPerField.writeByte(TermsHashPerField.java:490)
> at org.apache.lucene.index.TermsHashPerField.writeVInt(TermsHashPerField.java:511)
> at org.apache.lucene.index.FreqProxTermsWriterPerField.writeProx(FreqProxTermsWriterPerField.java:104)
> at org.apache.lucene.index.FreqProxTermsWriterPerField.newTerm(FreqProxTermsWriterPerField.java:120)
> at org.apache.lucene.index.TermsHashPerField.add(TermsHashPerField.java:468)
> at org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:174)
> at org.apache.lucene.index.DocFieldProcessorPerThread.processDocument(DocFieldProcessorPerThread.java:246)
> at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:774)
> at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:757)
> at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:2085)
> ... 37 more
> {code}
> This seems to be caused by the following code:
> {code}
>     final int level = slice[upto] & 15;
>     final int newLevel = nextLevelArray[level];
>     final int newSize = levelSizeArray[newLevel];
> {code}
> this can result in "level" being a value between 0 and 14
> the array nextLevelArray is only of size 10
> i suspect the solution would be to either max the level to 10, or to add more entries
to the nextLevelArray so it has 15 entries
> however, i don't know if something more is going wrong here and this is just where the
exception hits from a deeper issue

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