Re: [JENKINS] Lucene-Solr-NightlyTests-8.x - Build # 311 - Still Unstable

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Re: [JENKINS] Lucene-Solr-NightlyTests-8.x - Build # 311 - Still Unstable

Dawid Weiss-2
The cause of this is here:

   [junit4]   2> Caused by: java.nio.file.FileSystemException:
/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos:
Too many open files
   [junit4]   2> at
org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)

It overflows open file counter on nightly runs. I couldn't reproduce
but I can imagine it can happen with races between merges/ deletions/
additions.

Dawid

On Wed, Jan 1, 2020 at 9:52 AM Apache Jenkins Server
<[hidden email]> wrote:

>
> Build: https://builds.apache.org/job/Lucene-Solr-NightlyTests-8.x/311/
>
> 1 tests failed.
> FAILED:  org.apache.lucene.index.TestIndexWriterReader.testDuringAddDelete
>
> Error Message:
> this IndexWriter is closed
>
> Stack Trace:
> org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>         at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:681)
>         at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:695)
>         at org.apache.lucene.index.IndexWriter.nrtIsCurrent(IndexWriter.java:4946)
>         at org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:293)
>         at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
>         at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
>         at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:165)
>         at org.apache.lucene.index.TestIndexWriterReader.testDuringAddDelete(TestIndexWriterReader.java:861)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at java.lang.reflect.Method.invoke(Method.java:498)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
>         at org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
>         at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>         at org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
>         at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
>         at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
>         at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>         at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
>         at com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
>         at com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
>         at com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
>         at org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>         at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>         at org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
>         at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
>         at com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
>         at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>         at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>         at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>         at org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
>         at org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
>         at org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
>         at org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
>         at com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>         at com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
>         at java.lang.Thread.run(Thread.java:748)
> Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>         at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>         at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>         at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>         at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>         at java.nio.file.Files.newOutputStream(Files.java:216)
>         at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>         at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>         at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>         at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>         at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>         at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>         at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>         at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>         at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>         at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>         at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>         at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>         at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>         at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>         at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>         at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>         at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>         at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>         at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>         at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>         at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>
>
>
>
> Build Log:
> [...truncated 1711 lines...]
>    [junit4] Suite: org.apache.lucene.index.TestIndexWriterReader
>    [junit4]   2> ينا 01, 2020 1:34:35 ص com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-11318,5,TGRP-TestIndexWriterReader]
>    [junit4]   2> java.lang.RuntimeException: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1w1.nvm: Too many open files
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]   2> Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1w1.nvm: Too many open files
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]   2>        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]   2>        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]   2>        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]   2>        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene80.Lucene80NormsConsumer.<init>(Lucene80NormsConsumer.java:48)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene80.Lucene80NormsFormat.normsConsumer(Lucene80NormsFormat.java:85)
>    [junit4]   2>        at org.apache.lucene.codecs.asserting.AssertingNormsFormat.normsConsumer(AssertingNormsFormat.java:43)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.writeNorms(DefaultIndexingChain.java:304)
>    [junit4]   2>        at org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:131)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:468)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:555)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:418)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:515)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1594)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]   2>
>    [junit4]   2> ينا 01, 2020 1:34:35 ص com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-11320,5,TGRP-TestIndexWriterReader]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2566)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2644)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$10(IndexWriter.java:5083)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterFlushQueue.innerPurge(DocumentsWriterFlushQueue.java:119)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterFlushQueue.tryPurge(DocumentsWriterFlushQueue.java:150)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.purgeFlushTickets(DocumentsWriter.java:202)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5063)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter$1.afterSegmentsFlushed(IndexWriter.java:369)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:600)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:418)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:515)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1594)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]   2> Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]   2>        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]   2>        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]   2>        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]   2>        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]   2>        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]   2>        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]   2>        ... 2 more
>    [junit4]   2>
>    [junit4]   2> ينا 01, 2020 1:34:35 ص com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-11321,5,TGRP-TestIndexWriterReader]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:681)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:695)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]   2> Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]   2>        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]   2>        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]   2>        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]   2>        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]   2>        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]   2>        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]   2>        ... 2 more
>    [junit4]   2>
>    [junit4]   2> ينا 01, 2020 1:34:35 ص com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-11319,5,TGRP-TestIndexWriterReader]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:681)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:695)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]   2> Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]   2>        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]   2>        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]   2>        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]   2>        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]   2>        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]   2>        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]   2>        ... 2 more
>    [junit4]   2>
>    [junit4]   2> ينا 01, 2020 1:34:35 ص com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Thread-11317,5,TGRP-TestIndexWriterReader]
>    [junit4]   2> java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]   2>        at org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2566)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2644)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$10(IndexWriter.java:5083)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterFlushQueue.innerPurge(DocumentsWriterFlushQueue.java:119)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriterFlushQueue.forcePurge(DocumentsWriterFlushQueue.java:140)
>    [junit4]   2>        at org.apache.lucene.index.DocumentsWriter.purgeFlushTickets(DocumentsWriter.java:200)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5063)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.rollbackInternalNoCommit(IndexWriter.java:2295)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.rollbackInternal(IndexWriter.java:2269)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.maybeCloseOnTragicEvent(IndexWriter.java:4911)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.tragicEvent(IndexWriter.java:4901)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4083)
>    [junit4]   2>        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]   2>        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]   2> Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]   2>        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]   2>        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]   2>        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]   2>        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]   2>        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]   2>        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]   2>        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]   2>        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]   2>        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]   2>        ... 6 more
>    [junit4]   2>
>    [junit4]   2> NOTE: download the large Jenkins line-docs file by running 'ant get-jenkins-line-docs' in the lucene directory.
>    [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestIndexWriterReader -Dtests.method=testDuringAddDelete -Dtests.seed=B1EFB6B1B1E3AEBE -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/test-data/enwiki.random.lines.txt -Dtests.locale=ar-SA -Dtests.timezone=America/Recife -Dtests.asserts=true -Dtests.file.encoding=UTF-8
>    [junit4] ERROR   38.3s J1 | TestIndexWriterReader.testDuringAddDelete <<<
>    [junit4]    > Throwable #1: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:681)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:695)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.nrtIsCurrent(IndexWriter.java:4946)
>    [junit4]    >        at org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:293)
>    [junit4]    >        at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:272)
>    [junit4]    >        at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:262)
>    [junit4]    >        at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:165)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader.testDuringAddDelete(TestIndexWriterReader.java:861)
>    [junit4]    >        at java.lang.Thread.run(Thread.java:748)
>    [junit4]    > Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]    >        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]    >        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]    >        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]    >        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]    >        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]    >        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)Throwable #2: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=12125, name=Thread-11318, state=RUNNABLE, group=TGRP-TestIndexWriterReader]
>    [junit4]    > Caused by: java.lang.RuntimeException: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1w1.nvm: Too many open files
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]    > Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1w1.nvm: Too many open files
>    [junit4]    >        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]    >        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]    >        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]    >        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]    >        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >        at org.apache.lucene.codecs.lucene80.Lucene80NormsConsumer.<init>(Lucene80NormsConsumer.java:48)
>    [junit4]    >        at org.apache.lucene.codecs.lucene80.Lucene80NormsFormat.normsConsumer(Lucene80NormsFormat.java:85)
>    [junit4]    >        at org.apache.lucene.codecs.asserting.AssertingNormsFormat.normsConsumer(AssertingNormsFormat.java:43)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.writeNorms(DefaultIndexingChain.java:304)
>    [junit4]    >        at org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:131)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:468)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:555)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:418)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:515)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1594)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)Throwable #3: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=12124, name=Thread-11317, state=RUNNABLE, group=TGRP-TestIndexWriterReader]
>    [junit4]    > Caused by: java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2566)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2644)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$10(IndexWriter.java:5083)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterFlushQueue.innerPurge(DocumentsWriterFlushQueue.java:119)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterFlushQueue.forcePurge(DocumentsWriterFlushQueue.java:140)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.purgeFlushTickets(DocumentsWriter.java:200)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5063)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.rollbackInternalNoCommit(IndexWriter.java:2295)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.rollbackInternal(IndexWriter.java:2269)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.maybeCloseOnTragicEvent(IndexWriter.java:4911)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.tragicEvent(IndexWriter.java:4901)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4083)
>    [junit4]    >        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]    > Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]    >        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]    >        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]    >        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]    >        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]    >        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]    >        ... 6 moreThrowable #4: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=12127, name=Thread-11320, state=RUNNABLE, group=TGRP-TestIndexWriterReader]
>    [junit4]    > Caused by: java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
>    [junit4]    >        at org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2566)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2644)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$10(IndexWriter.java:5083)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterFlushQueue.innerPurge(DocumentsWriterFlushQueue.java:119)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriterFlushQueue.tryPurge(DocumentsWriterFlushQueue.java:150)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.purgeFlushTickets(DocumentsWriter.java:202)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5063)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter$1.afterSegmentsFlushed(IndexWriter.java:369)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:600)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:418)
>    [junit4]    >        at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:515)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1594)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]    > Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]    >        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]    >        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]    >        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]    >        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]    >        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]    >        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]    >        ... 2 moreThrowable #5: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=12128, name=Thread-11321, state=RUNNABLE, group=TGRP-TestIndexWriterReader]
>    [junit4]    > Caused by: java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:681)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:695)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]    > Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]    >        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]    >        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]    >        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]    >        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]    >        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]    >        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]    >        ... 2 moreThrowable #6: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=12126, name=Thread-11319, state=RUNNABLE, group=TGRP-TestIndexWriterReader]
>    [junit4]    > Caused by: java.lang.RuntimeException: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]    >        at __randomizedtesting.SeedInfo.seed([B1EFB6B1B1E3AEBE]:0)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:849)
>    [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:681)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:695)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1591)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1213)
>    [junit4]    >        at org.apache.lucene.index.TestIndexWriterReader$2.run(TestIndexWriterReader.java:839)
>    [junit4]    > Caused by: java.nio.file.FileSystemException: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001/index-NIOFSDirectory-003/_1ze_Lucene84_0.pos: Too many open files
>    [junit4]    >        at org.apache.lucene.mockfile.HandleLimitFS.onOpen(HandleLimitFS.java:48)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.callOpenHook(HandleTrackingFS.java:81)
>    [junit4]    >        at org.apache.lucene.mockfile.HandleTrackingFS.newOutputStream(HandleTrackingFS.java:160)
>    [junit4]    >        at org.apache.lucene.mockfile.FilterFileSystemProvider.newOutputStream(FilterFileSystemProvider.java:197)
>    [junit4]    >        at java.nio.file.Files.newOutputStream(Files.java:216)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:410)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory$FSIndexOutput.<init>(FSDirectory.java:406)
>    [junit4]    >        at org.apache.lucene.store.FSDirectory.createOutput(FSDirectory.java:254)
>    [junit4]    >        at org.apache.lucene.store.FileSwitchDirectory.createOutput(FileSwitchDirectory.java:185)
>    [junit4]    >        at org.apache.lucene.store.NRTCachingDirectory.createOutput(NRTCachingDirectory.java:146)
>    [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:667)
>    [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsWriter.<init>(Lucene84PostingsWriter.java:127)
>    [junit4]    >        at org.apache.lucene.codecs.lucene84.Lucene84PostingsFormat.fieldsConsumer(Lucene84PostingsFormat.java:421)
>    [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldPostingsFormat$FieldsWriter.merge(PerFieldPostingsFormat.java:195)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:245)
>    [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:140)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4463)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4057)
>    [junit4]    >        at org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2158)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5120)
>    [junit4]    >        at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1597)
>    [junit4]    >        ... 2 more
>    [junit4]   1> TEST: now get reader
>    [junit4]   2> NOTE: leaving temporary files on disk at: /home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterReader_B1EFB6B1B1E3AEBE-001
>    [junit4]   2> NOTE: test params are: codec=Asserting(Lucene84): {field1=Lucene84, indexname=PostingsFormat(name=Direct), field=PostingsFormat(name=LuceneVarGapDocFreqInterval), foo=PostingsFormat(name=LuceneVarGapDocFreqInterval), id=Lucene84, field3=PostingsFormat(name=Direct), field2=PostingsFormat(name=LuceneVarGapDocFreqInterval), field5=Lucene84, field4=Lucene84}, docValues:{}, maxPointsInLeafNode=152, maxMBSortInHeap=5.005001701276797, sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@25ec7d03), locale=ar-SA, timezone=America/Recife
>    [junit4]   2> NOTE: Linux 4.15.0-54-generic amd64/Oracle Corporation 1.8.0_191 (64-bit)/cpus=4,threads=1,free=345189976,total=456130560
>    [junit4]   2> NOTE: All tests run in this JVM: [TestTopFieldCollector, TestReaderPool, TestPositiveScoresOnlyCollector, TestRAMDirectory, TestSloppyPhraseQuery2, TestSimpleFSLockFactory, TestNormsFieldExistsQuery, TestBooleanOr, TestFieldType, TestSegmentTermEnum, TestMixedCodecs, TestMultiCollector, TestIndexWriterForceMerge, TestLRUQueryCache, TestNumericDocValuesUpdates, TestLockFactory, TestElevationComparator, TestCustomNorms, TestWeakIdentityMap, TestCachingTokenFilter, TestFilterSpans, TestTragicIndexWriterDeadlock, TestCharFilter, TestSpanSearchEquivalence, TestSimilarityBase, TestPhraseQuery, TestDeterminism, TestRollingBuffer, Test2BPostings, TestIntroSelector, TestDocument, TestPendingDeletes, TestAttributeSource, TestOfflineSorter, TestSpanExplanationsOfNonMatches, TestPersistentSnapshotDeletionPolicy, TestSpanNearQuery, TestIndexWriterDeleteByQuery, TestAxiomaticF3EXP, TestIndexableField, TestPForUtil, TestBytesRef, TestLatLonPointDistanceSort, TestBasicModelIn, TestPrefixRandom, TestTermVectors, TestSortedSetSortField, TestBKDRadixSelector, TestMSBRadixSorter, TestRecyclingByteBlockAllocator, TestTryDelete, TestNeverDelete, TestUTF32ToUTF8, TestNamedSPILoader, TestCachingCollector, TestTrackingDirectoryWrapper, TestPolygon2D, TestCharsRef, TestTermsEnum2, TestDoc, TestConstantScoreScorer, TestMatchAllDocsQuery, TestDateSort, TestFilterWeight, TestForDeltaUtil, TestClassicSimilarity, TestUpgradeIndexMergePolicy, TestFixedBitDocIdSet, TestFSTs, TestFilterDirectory, TestSparseFixedBitDocIdSet, TestSpansEnum, TestAddIndexes, TestFeatureField, TestLatLonDocValuesField, TestSoftDeletesDirectoryReaderWrapper, TestStringMSBRadixSorter, TestBooleanRewrites, TestFilterCodecReader, TestNoMergePolicy, TestConjunctionDISI, TestStressIndexing2, TestIndexCommit, TestSegmentMerger, TestRegexpRandom2, TestIndependenceChiSquared, TestBM25Similarity, TestDocIdSetIterator, TestAssertions, TestDemo, TestExternalCodecs, TestMergeSchedulerExternal, TestSearch, TestSearchForDuplicates, TestDelegatingAnalyzerWrapper, TestGraphTokenFilter, TestGraphTokenizers, TestReusableStringReader, TestStopFilter, TestToken, TestWordlistLoader, TestStandardAnalyzer, TestBytesRefAttImpl, TestCharTermAttributeImpl, TestPackedTokenAttributeImpl, TestSimpleAttributeImpl, TestCodecUtil, TestCompetitiveFreqNormAccumulator, TestFastCompressionMode, TestFastDecompressionMode, TestHighCompressionMode, TestLucene50CompoundFormat, TestLucene50LiveDocsFormat, TestLucene50StoredFieldsFormat, TestLucene50StoredFieldsFormatHighCompression, TestLucene50StoredFieldsFormatMergeInstance, TestLucene60FieldInfoFormat, TestLucene60PointsFormat, TestLucene70SegmentInfoFormat, TestIndexedDISI, TestLucene80NormsFormat, TestPerFieldPostingsFormat, TestPerFieldPostingsFormat2, TestBinaryDocument, TestLongRange, TestGeoEncodingUtils, TestGeoUtils, Test2BDocs, Test2BNumericDocValues, Test2BPoints, Test2BSortedDocValuesFixedSorted, Test2BSortedDocValuesOrds, Test2BTerms, TestAllFilesDetectTruncation, TestAllFilesHaveChecksumFooter, TestAllFilesHaveCodecHeader, TestAtomicUpdate, TestBagOfPositions, TestCrash, TestDemoParallelLeafReader, TestDuelingCodecs, TestDuelingCodecsAtNight, TestIndexWriterCommit, TestIndexWriterMaxDocs, TestIndexWriterOnDiskFull, TestIndexWriterOutOfFileDescriptors, TestIndexWriterReader]
>    [junit4] Completed [372/528 (1!)] on J1 in 51.47s, 23 tests, 1 error <<< FAILURES!
>
> [...truncated 67943 lines...]
>
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