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https://issues.apache.org/jira/browse/LUCENE-2307?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12844004#action_12844004
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Michael McCandless commented on LUCENE-2307:
--------------------------------------------
This is odd -- that test calls close(true) on IW, meaning wait for all merges
to complete. So offhand I don't know why a merge is being aborted... that
should only happen if close(false) is called. Strange....
> Spurious exception in TestIndexWriter
> -------------------------------------
>
> Key: LUCENE-2307
> URL: https://issues.apache.org/jira/browse/LUCENE-2307
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.0.2
> Environment: MacOS X, Java 6
> Reporter: Earwin Burrfoot
>
> Happened on trunk:
> [junit] Testsuite: org.apache.lucene.index.TestIndexWriter
> [junit] Tests run: 106, Failures: 1, Errors: 0, Time elapsed: 18.567 sec
> [junit]
> [junit] ------------- Standard Output ---------------
> [junit] java.io.IOException: background merge hit exception: _0:c19
> _1:c19 _2:c2 _3:c2 _4:c2 _5:c2 _6:c2 _7:c2 _8:c1 into _9 [optimize]
> [mergeDocStores]
> [junit] at
> org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2341)
> [junit] at
> org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2280)
> [junit] at
> org.apache.lucene.index.IndexWriter.optimize(IndexWriter.java:2250)
> [junit] at
> org.apache.lucene.index.TestIndexWriter$CommitAndAddIndexes.doBody(TestIndexWriter.java:3759)
> [junit] at
> org.apache.lucene.index.TestIndexWriter$RunAddIndexesThreads$1.run(TestIndexWriter.java:3708)
> [junit] Caused by:
> org.apache.lucene.index.MergePolicy$MergeAbortedException: merge is aborted:
> _0:c19 _1:c19 _2:c2 _3:c2 _4:c2 _5:c2 _6:c2 _7:c2 _8:c1 into _9 [optimize]
> [mergeDocStores]
> [junit] at
> org.apache.lucene.index.MergePolicy$OneMerge.checkAborted(MergePolicy.java:135)
> [junit] at
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4308)
> [junit] at
> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3958)
> [junit] at
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:339)
> [junit] at
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:407)
> [junit] ------------- ---------------- ---------------
> [junit] Testcase:
> testAddIndexesWithClose(org.apache.lucene.index.TestIndexWriter): FAILED
> [junit] null
> [junit] junit.framework.AssertionFailedError: null
> [junit] at
> org.apache.lucene.index.TestIndexWriter.testAddIndexesWithClose(TestIndexWriter.java:3835)
> [junit] at
> org.apache.lucene.util.LuceneTestCase.runBare(LuceneTestCase.java:252)
> [junit]
>
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