Hi all.
Someone saw IndexUpgrader from 4.10.4 throw this when upgrading their index:
Caused by: java.lang.ArrayIndexOutOfBoundsException: 191
at org.apache.lucene.util.FixedBitSet.set(FixedBitSet.java:252)
at
org.apache.lucene.codecs.PostingsConsumer.merge(PostingsConsumer.java:113)
at org.apache.lucene.codecs.TermsConsumer.merge(TermsConsumer.java:164)
at org.apache.lucene.codecs.FieldsConsumer.merge(FieldsConsumer.java:72)
at
org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:399)
at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:112)
at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4196)
at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3784)
at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:409)
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:486)
Two questions:
(1) Does this just mean the index is corrupt?
(2) Shouldn't an exception merging cause IndexUpgrader to fail? We
only noticed this issue because of an exception from the Lucene _5_
IndexUpgrader on the resulting index, and it found V3 segments in the
index still, but we run the V4 upgrader first.
TX
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