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From "Brian Whitman" <br...@echonest.com>
Subject background merge hit exception
Date Fri, 02 Jan 2009 19:33:56 GMT
I am getting this on a 10GB index (via solr 1.3) during an optimize:
Jan 2, 2009 6:51:52 PM org.apache.solr.common.SolrException log
SEVERE: java.io.IOException: background merge hit exception: _ks4:C2504982
_oaw:C514635 _tll:C827949 _tdx:C18372 _te8:C19929 _tej:C22201 _1agw:C1717926
_1agz:C1 into _1ah2 [optimize]
at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2346)
at org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2280)
at
org.apache.solr.update.DirectUpdateHandler2.commit(DirectUpdateHandler2.java:355)
at
org.apache.solr.update.processor.RunUpdateProcessor.processCommit(RunUpdateProcessorFactory.java:77)
...

Exception in thread "Lucene Merge Thread #2"
org.apache.lucene.index.MergePolicy$MergeException:
java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 34950
at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:314)
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:291)
Caused by: java.lang.ArrayIndexOutOfBoundsException: Array index out of
range: 34950
at org.apache.lucene.util.BitVector.get(BitVector.java:91)
at org.apache.lucene.index.SegmentTermDocs.next(SegmentTermDocs.java:125)
at
org.apache.lucene.index.SegmentTermPositions.next(SegmentTermPositions.java:98)
...


Does anyone know how this is caused and how I can fix it? It happens with
every optimize. Commits were very slow on this index as well (40x as slow as
a similar index on another machine) I have plenty of disk space (many 100s
of GB) free.

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