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https://issues.apache.org/jira/browse/LUCENE-6804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14744639#comment-14744639
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ASF subversion and git services commented on LUCENE-6804:
---------------------------------------------------------
Commit 1703082 from [~mikemccand] in branch 'dev/trunk'
[ https://svn.apache.org/r1703082 ]
LUCENE-6804: fix test bug, to properly handle tragic merge exceptions
> TestIndexWriterOutOfFileDescriptors nightly failure
> ---------------------------------------------------
>
> Key: LUCENE-6804
> URL: https://issues.apache.org/jira/browse/LUCENE-6804
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 5.4
> Reporter: Steve Rowe
>
> My Jenkins found a seed
> [http://jenkins.sarowe.net/job/Lucene-Solr-Nightly-5.x-Java8/16] that
> reproduces for me about 5% of the time via beasting:
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=TestIndexWriterOutOfFileDescriptors -Dtests.method=test
> -Dtests.seed=AE5CB745082C8FEA -Dtests.multiplier=2 -Dtests.nightly=true
> -Dtests.slow=true
> -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt
> -Dtests.locale=tr -Dtests.timezone=Europe/Copenhagen -Dtests.asserts=true
> -Dtests.file.encoding=ISO-8859-1
> [junit4] ERROR 0.74s J6 | TestIndexWriterOutOfFileDescriptors.test <<<
> [junit4] > Throwable #1: java.lang.IllegalStateException: this writer
> hit an unrecoverable error; cannot commit
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([AE5CB745082C8FEA:2608889FA6D0E212]:0)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.prepareCommitInternal(IndexWriter.java:2775)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:2961)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.shutdown(IndexWriter.java:1080)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.close(IndexWriter.java:1123)
> [junit4] > at
> org.apache.lucene.index.TestIndexWriterOutOfFileDescriptors.test(TestIndexWriterOutOfFileDescriptors.java:87)
> [junit4] > at java.lang.Thread.run(Thread.java:745)
> [junit4] > Caused by: java.io.FileNotFoundException: a random
> IOException (_c.cfs)
> [junit4] > at
> org.apache.lucene.store.MockDirectoryWrapper.maybeThrowIOExceptionOnOpen(MockDirectoryWrapper.java:458)
> [junit4] > at
> org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:635)
> [junit4] > at
> org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:71)
> [junit4] > at
> org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
> [junit4] > at
> org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:93)
> [junit4] > at
> org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:65)
> [junit4] > at
> org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:145)
> [junit4] > at
> org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:617)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4001)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3648)
> [junit4] > at
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
> [junit4] > at
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
> [junit4] 2> NOTE: leaving temporary files on disk at:
> /var/lib/jenkins/jobs/Lucene-Solr-Nightly-5.x-Java8/workspace/lucene/build/core/test/J6/temp/lucene.index.TestIndexWriterOutOfFileDescriptors_AE5CB745082C8FEA-001
> [junit4] 2> NOTE: test params are: codec=Lucene53,
> sim=DefaultSimilarity, locale=tr, timezone=Europe/Copenhagen
> [junit4] 2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation
> 1.8.0_45 (64-bit)/cpus=16,threads=1,free=311559920,total=328728576
> {noformat}
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