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https://issues.apache.org/jira/browse/LUCENE-7432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15491191#comment-15491191
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Michael McCandless commented on LUCENE-7432:
--------------------------------------------
Oh that's great news; maybe we can finally fold J9 back into our random JDK
selection in our continuous builds.
> TestIndexWriterOnError.testCheckpoint fails on IBM J9
> -----------------------------------------------------
>
> Key: LUCENE-7432
> URL: https://issues.apache.org/jira/browse/LUCENE-7432
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Michael McCandless
> Labels: IBM-J9
>
> Not sure if this is a J9 issue or a Lucene issue, but using this version of
> J9:
> {noformat}
> 09:26 $ java -version
> java version "1.8.0"
> Java(TM) SE Runtime Environment (build pxa6480sr3fp10-20160720_02(SR3fp10))
> IBM J9 VM (build 2.8, JRE 1.8.0 Linux amd64-64 Compressed References
> 20160719_312156 (JIT enabled, AOT enabled)
> J9VM - R28_Java8_SR3_20160719_1144_B312156
> JIT - tr.r14.java_20160629_120284.01
> GC - R28_Java8_SR3_20160719_1144_B312156_CMPRSS
> J9CL - 20160719_312156)
> JCL - 20160719_01 based on Oracle jdk8u101-b13
> {noformat}
> This test failure seems to reproduce:
> {noformat}
> [junit4] 2> NOTE: reproduce with: ant test
> -Dtestcase=TestIndexWriterOnVMError -Dtests.method=testCheckpoint
> -Dtests.seed=FAB0DC147AFDBF4E -Dtests.nightly=true -Dtests.slow=true
> -Dtests.locale=kn -Dtests.timezone=Australia/South -Dtests.asserts=true
> -Dtests.file.encoding=UTF-8
> [junit4] ERROR 196s | TestIndexWriterOnVMError.testCheckpoint <<<
> [junit4] > Throwable #1: java.lang.RuntimeException:
> MockDirectoryWrapper: cannot close: there are still 9 open files:
> {_2_Asserting_0.pos=1, _2_Asserting_0.dvd=1, _2.fdt=1, _2_Asserting_0.doc=1,
> _2_Asserting_0.tim=1, _2.nvd=1, _2.tvd=1, _3.cfs=1, _2.dim=1}
> [junit4] > at
> __randomizedtesting.SeedInfo.seed([FAB0DC147AFDBF4E:FBA18A7C5B16548D]:0)
> [junit4] > at
> org.apache.lucene.store.MockDirectoryWrapper.close(MockDirectoryWrapper.java:841)
> [junit4] > at
> org.apache.lucene.index.TestIndexWriterOnVMError.doTest(TestIndexWriterOnVMError.java:89)
> [junit4] > at
> org.apache.lucene.index.TestIndexWriterOnVMError.testCheckpoint(TestIndexWriterOnVMError.java:280)
> [junit4] > at java.lang.Thread.run(Thread.java:785)
> [junit4] > Caused by: java.lang.RuntimeException: unclosed IndexInput:
> _2.dim
> [junit4] > at
> org.apache.lucene.store.MockDirectoryWrapper.addFileHandle(MockDirectoryWrapper.java:732)
> [junit4] > at
> org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:776)
> [junit4] > at
> org.apache.lucene.codecs.lucene60.Lucene60PointsReader.<init>(Lucene60PointsReader.java:85)
> [junit4] > at
> org.apache.lucene.codecs.lucene60.Lucene60PointsFormat.fieldsReader(Lucene60PointsFormat.java:104)
> [junit4] > at
> org.apache.lucene.codecs.asserting.AssertingPointsFormat.fieldsReader(AssertingPointsFormat.java:66)
> [junit4] > at
> org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:128)
> [junit4] > at
> org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:74)
> [junit4] > at
> org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:145)
> [junit4] > at
> org.apache.lucene.index.ReadersAndUpdates.getReadOnlyClone(ReadersAndUpdates.java:197)
> [junit4] > at
> org.apache.lucene.index.StandardDirectoryReader.open(StandardDirectoryReader.java:103)
> [junit4] > at
> org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:460)
> [junit4] > at
> org.apache.lucene.index.DirectoryReader.open(DirectoryReader.java:103)
> [junit4] > at
> org.apache.lucene.index.TestIndexWriterOnVMError.doTest(TestIndexWriterOnVMError.java:175)
> [junit4] > ... 37 more
> [junit4] 2> NOTE: leaving temporary files on disk at:
> /l/trunk/lucene/build/core/test/J0/temp/lucene.index.TestIndexWriterOnVMError_FAB0DC147AFDBF4E-001
> [junit4] 2> NOTE: test params are: codec=Asserting(Lucene62),
> sim=ClassicSimilarity, locale=kn, timezone=Australia/South
> [junit4] 2> NOTE: Linux 4.4.0-34-generic amd64/IBM Corporation 1.8.0
> (64-bit)/cpus=8,threads=1,free=55483576,total=76742656
> [junit4] 2> NOTE: All tests run in this JVM: [TestIndexWriterOnVMError]
> {noformat}
> The test is quite stressful, provoking "unexpected" exceptions at tricky
> times for {{IndexWriter}}.
> When I run with Oracle's 1.8.0_101 with that same "reproduce with", the test
> passes.
> I see a similar failure for {{testUnknownError}}.
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