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https://issues.apache.org/jira/browse/LUCENE-1474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711868#action_12711868
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Erik van Zijst commented on LUCENE-1474:
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I have attached the output of CheckIndex on all our index directories, which
seems to report quite a few errors:
erik:cache ervzijst$ grep "CorruptIndexException\|AssertionError"
CheckIndex.txt
java.lang.AssertionError: delete count mismatch: info=1263 vs BitVector=1262
java.lang.AssertionError: delete count mismatch: info=496 vs BitVector=493
java.lang.AssertionError: delete count mismatch: info=101 vs BitVector=100
java.lang.AssertionError: delete count mismatch: info=300 vs BitVector=298
java.lang.AssertionError: delete count mismatch: info=109 vs BitVector=108
java.lang.AssertionError: delete count mismatch: info=140 vs BitVector=139
java.lang.AssertionError: delete count mismatch: info=122 vs BitVector=121
java.lang.AssertionError: delete count mismatch: info=91 vs BitVector=89
java.lang.AssertionError: delete count mismatch: info=1411 vs BitVector=1409
java.lang.AssertionError: delete count mismatch: info=801 vs BitVector=800
java.lang.AssertionError: delete count mismatch: info=630 vs BitVector=629
java.lang.AssertionError: delete count mismatch: info=510 vs BitVector=508
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_0: fieldsReader shows 12365 but segmentInfo shows 12232
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_1: fieldsReader shows 10144 but segmentInfo shows 8766
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_2: fieldsReader shows 4616 but segmentInfo shows 7006
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_3: fieldsReader shows 6681 but segmentInfo shows 4854
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_4: fieldsReader shows 2652 but segmentInfo shows 8808
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_5: fieldsReader shows 11500 but segmentInfo shows 14551
org.apache.lucene.index.CorruptIndexException: doc counts differ for segment
_6: fieldsReader shows 16225 but segmentInfo shows 4375
erik:cache ervzijst$
> Incorrect SegmentInfo.delCount when IndexReader.flush() is used
> ---------------------------------------------------------------
>
> Key: LUCENE-1474
> URL: https://issues.apache.org/jira/browse/LUCENE-1474
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 2.4
> Reporter: Marcel Reutegger
> Assignee: Michael McCandless
> Fix For: 2.4.1, 2.9
>
> Attachments: CheckIndex.txt, IndexReaderTest.java
>
>
> When deleted documents are flushed using IndexReader.flush() the delCount in
> SegmentInfo is updated based on the current value and
> SegmentReader.pendingDeleteCount (introduced by LUCENE-1267). It seems that
> pendingDeleteCount is not reset after the commit, which means after a second
> flush() or close() of an index reader the delCount in SegmentInfo is
> incorrect. A subsequent IndexReader.open() call will fail with an error when
> assertions are enabled. E.g.:
> java.lang.AssertionError: delete count mismatch: info=3 vs BitVector=2
> at
> org.apache.lucene.index.SegmentReader.loadDeletedDocs(SegmentReader.java:405)
> [...]
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