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https://issues.apache.org/jira/browse/LUCENE-5907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-5907:
---------------------------------------
Attachment: LUCENE-5907.patch
Test case fails with this:
{noformat}
1)
testUpgradeWithNRTReader(org.apache.lucene.index.TestBackwardsCompatibility3x)
java.lang.AssertionError:
TEST-TestBackwardsCompatibility3x.testUpgradeWithNRTReader-seed#[1AF59EAA2A07C9C6]:
RefCount is 0 pre-decrement for file "_2.si"
at
__randomizedtesting.SeedInfo.seed([1AF59EAA2A07C9C6:264CBECD5998A01B]:0)
at
org.apache.lucene.index.IndexFileDeleter$RefCount.DecRef(IndexFileDeleter.java:638)
at
org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:524)
at
org.apache.lucene.index.IndexFileDeleter.deleteCommits(IndexFileDeleter.java:296)
at
org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:467)
at
org.apache.lucene.index.IndexWriter.finishCommit(IndexWriter.java:3197)
at
org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:3177)
at org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3137)
at
org.apache.lucene.index.TestBackwardsCompatibility3x.testUpgradeWithNRTReader(TestBackwardsCompatibility3x.java:964)
{noformat}
But with assertions disabled it causes index corruption (missing _2.si file).
> closing NRT reader after upgrading from 3.x index can cause index corruption
> ----------------------------------------------------------------------------
>
> Key: LUCENE-5907
> URL: https://issues.apache.org/jira/browse/LUCENE-5907
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 5.0, 4.10
>
> Attachments: LUCENE-5907.patch
>
>
> I have a small test case showing the issue....
> I think we should fix this for 4.10?
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