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https://issues.apache.org/jira/browse/LUCENE-1474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12711424#action_12711424
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Michael McCandless commented on LUCENE-1474:
--------------------------------------------
OK, thanks. Let's try this:
{code}
Index: src/java/org/apache/lucene/index/SegmentReader.java
===================================================================
--- src/java/org/apache/lucene/index/SegmentReader.java (revision 768598)
+++ src/java/org/apache/lucene/index/SegmentReader.java (working copy)
@@ -592,6 +592,7 @@
si.setDelCount(si.getDelCount()+pendingDeleteCount);
pendingDeleteCount = 0;
+ assert deletedDocs.count() == si.getDelCount(): "delete count mismatch
during commit: info=" + si.getDelCount() + " vs BitVector=" +
deletedDocs.count();
}
if (undeleteAll && si.hasDeletions()) {
si.clearDelGen();
{code}
Hopefully you see that assert trip at some point "interesting" (ie, before the
assert above).
> 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: 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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