[JENKINS] Lucene » Lucene-Solr-NightlyTests-master - Build # 13 - Failure!

[Apache Jenkins Server]

Build: 
https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-NightlyTests-master/13/

3 tests failed.
FAILED:  org.apache.lucene.index.TestIndexWriterDelete.testDeleteAllNoDeadLock

Error Message:
refusing to delete any files: this IndexWriter hit an unrecoverable exception

Stack Trace:
org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: 
this IndexWriter hit an unrecoverable exception
        at 
org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
        at 
org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
        at 
org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
        at 
org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
        at org.apache.lucene.index.IndexWriter.deleteAll(IndexWriter.java:2435)
        at 
org.apache.lucene.index.RandomIndexWriter.deleteAll(RandomIndexWriter.java:373)
        at 
org.apache.lucene.index.TestIndexWriterDelete.testDeleteAllNoDeadLock(TestIndexWriterDelete.java:348)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:566)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:942)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:978)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:992)
        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:370)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:819)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:470)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:951)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:836)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:887)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:898)
        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 
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:370)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.lambda$forkTimeoutingTask$0(ThreadLeakControl.java:826)
        at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: org.apache.lucene.index.CorruptIndexException: Problem reading index 
from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
        at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
        ... 10 more


FAILED:  
org.apache.lucene.index.TestIndexWriterDelete.testFlushPushedDeletesByRAM

Error Message:
Captured an uncaught exception in thread: Thread[id=5779, name=Lucene Merge 
Thread #7, state=RUNNABLE, group=TGRP-TestIndexWriterDelete]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5779, name=Lucene Merge Thread #7, 
state=RUNNABLE, group=TGRP-TestIndexWriterDelete]
        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325:DA8039F1932575B8]:0)
Caused by: org.apache.lucene.index.MergePolicy$MergeException: 
org.apache.lucene.index.CorruptIndexException: Problem reading index from 
MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
        at __randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
        at 
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:703)
        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:694)
Caused by: org.apache.lucene.index.CorruptIndexException: Problem reading index 
from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
        at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
        ... 10 more


FAILED:  
org.apache.lucene.index.TestIndexingSequenceNumbers.testStressConcurrentAddAndDeleteAndCommit

Error Message:
Java heap space

Stack Trace:
java.lang.OutOfMemoryError: Java heap space




Build Log:
[...truncated 543 lines...]
   [junit4] Suite: org.apache.lucene.index.TestIndexingSequenceNumbers
   [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=TestIndexingSequenceNumbers 
-Dtests.method=testStressConcurrentAddAndDeleteAndCommit 
-Dtests.seed=CE774376D2F9C325 -Dtests.multiplier=2 -Dtests.nightly=true 
-Dtests.slow=true 
-Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/test-data/enwiki.random.lines.txt
 -Dtests.locale=saq-KE -Dtests.timezone=Atlantic/Canary -Dtests.asserts=true 
-Dtests.file.encoding=US-ASCII
   [junit4] ERROR    669s J1 | 
TestIndexingSequenceNumbers.testStressConcurrentAddAndDeleteAndCommit <<<
   [junit4]    > Throwable #1: java.lang.OutOfMemoryError: Java heap 
spaceThrowable #2: com.carrotsearch.randomizedtesting.UncaughtExceptionError: 
Captured an uncaught exception in thread: Thread[id=3696, name=thread0, 
state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
   [junit4]    > Caused by: java.lang.RuntimeException: 
java.lang.IllegalArgumentException: Self-suppression not permitted
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexingSequenceNumbers$4.run(TestIndexingSequenceNumbers.java:534)
   [junit4]    > Caused by: java.lang.IllegalArgumentException: 
Self-suppression not permitted
   [junit4]    >        at 
java.base/java.lang.Throwable.addSuppressed(Throwable.java:1054)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.startCommit(IndexWriter.java:4937)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.prepareCommitInternal(IndexWriter.java:3291)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.commitInternal(IndexWriter.java:3580)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3538)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexingSequenceNumbers$4.run(TestIndexingSequenceNumbers.java:502)
   [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap 
spaceThrowable #3: com.carrotsearch.randomizedtesting.UncaughtExceptionError: 
Captured an uncaught exception in thread: Thread[id=3699, name=thread3, 
state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
   [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap 
spaceThrowable #4: com.carrotsearch.randomizedtesting.UncaughtExceptionError: 
Captured an uncaught exception in thread: Thread[id=3697, name=thread1, 
state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexingSequenceNumbers$4.run(TestIndexingSequenceNumbers.java:534)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.commit(IndexWriter.java:3537)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexingSequenceNumbers$4.run(TestIndexingSequenceNumbers.java:502)
   [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
   [junit4]    >        at 
org.apache.lucene.codecs.compressing.CompressingStoredFieldsWriter.<init>(CompressingStoredFieldsWriter.java:125)
   [junit4]    >        at 
org.apache.lucene.codecs.compressing.CompressingStoredFieldsFormat.fieldsWriter(CompressingStoredFieldsFormat.java:130)
   [junit4]    >        at 
org.apache.lucene.index.StoredFieldsConsumer.initStoredFieldsWriter(StoredFieldsConsumer.java:39)
   [junit4]    >        at 
org.apache.lucene.index.StoredFieldsConsumer.startDocument(StoredFieldsConsumer.java:46)
   [junit4]    >        at 
org.apache.lucene.index.DefaultIndexingChain.startStoredFields(DefaultIndexingChain.java:426)
   [junit4]    >        at 
org.apache.lucene.index.DefaultIndexingChain.processDocument(DefaultIndexingChain.java:462)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:233)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:419)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexingSequenceNumbers$4.run(TestIndexingSequenceNumbers.java:524)Throwable
 #5: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an 
uncaught exception in thread: Thread[id=8291, name=Lucene Merge Thread #4590, 
state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
   [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: 
java.lang.OutOfMemoryError: Java heap space
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:703)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:694)
   [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap 
spaceThrowable #6: com.carrotsearch.randomizedtesting.UncaughtExceptionError: 
Captured an uncaught exception in thread: Thread[id=3700, name=thread4, 
state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
   [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap 
spaceThrowable #7: com.carrotsearch.randomizedtesting.UncaughtExceptionError: 
Captured an uncaught exception in thread: Thread[id=8292, name=Lucene Merge 
Thread #4591, state=RUNNABLE, group=TGRP-TestIndexingSequenceNumbers]
   [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: 
java.lang.OutOfMemoryError: Java heap space
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:703)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:694)
   [junit4]    > Caused by: java.lang.OutOfMemoryError: Java heap space
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexingSequenceNumbers_CE774376D2F9C325-001
   [junit4]   2> NOTE: test params are: 
codec=HighCompressionCompressingStoredFieldsData(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=HIGH_COMPRESSION,
 chunkSize=28345, maxDocsPerChunk=5, blockShift=19), 
termVectorsFormat=CompressingTermVectorsFormat(compressionMode=HIGH_COMPRESSION,
 chunkSize=28345, blockSize=19)), 
sim=Asserting(RandomSimilarity(queryNorm=false): {id=IB LL-L1}), locale=saq-KE, 
timezone=Atlantic/Canary
   [junit4]   2> NOTE: Linux 4.15.0-108-generic amd64/Oracle Corporation 11.0.6 
(64-bit)/cpus=4,threads=1,free=32197000,total=536870912
   [junit4]   2> NOTE: All tests run in this JVM: [TestComplexExplanations, 
TestWildcardRandom, TestDisjunctionMaxQuery, TestFilterWeight, 
TestPerFieldPostingsFormat2, TestNearSpansOrdered, TestMultiTermQueryRewrites, 
TestSmallFloat, TestPointQueries, TestPendingDeletes, TestAxiomaticF3LOG, 
TestLatLonDocValuesField, TestConjunctions, TestBooleanScorer, TestDemo, 
TestIndexedDISI, TestLongDistanceFeatureQuery, TestLucene50LiveDocsFormat, 
TestPackedTokenAttributeImpl, TestGraphTokenStreamFiniteStrings, 
TestGraphTokenFilter, TestConcurrentMergeScheduler, TestDistributionLL, 
TestTopDocsCollector, TestSpanContainQuery, Test2BPoints, TestBinaryTerms, 
TestFSTDirectAddressing, TestLongPostings, TestSimpleExplanations, 
TestIndexWriterConfig, TestDaciukMihovAutomatonBuilder, 
TestIndexingSequenceNumbers]
   [junit4] Completed [87/567 (1!)] on J1 in 724.60s, 8 tests, 1 error <<< 
FAILURES!

[...truncated 367 lines...]
   [junit4] Suite: org.apache.lucene.index.TestIndexWriterDelete
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-5687,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]   2>        ... 10 more
   [junit4]   2> 
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: Thread[Lucene Merge 
Thread #8,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> org.apache.lucene.index.MergePolicy$MergeException: 
org.apache.lucene.index.CorruptIndexException: Problem reading index from 
MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:703)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:694)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9g.fnm in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 10 more
   [junit4]   2> 
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-5688,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]   2>        ... 10 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=TestIndexWriterDelete -Dtests.method=testDeleteAllNoDeadLock 
-Dtests.seed=CE774376D2F9C325 -Dtests.multiplier=2 -Dtests.nightly=true 
-Dtests.slow=true 
-Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/test-data/enwiki.random.lines.txt
 -Dtests.locale=vi-VN -Dtests.timezone=Asia/Qatar -Dtests.asserts=true 
-Dtests.file.encoding=US-ASCII
   [junit4] ERROR   1.28s J2 | TestIndexWriterDelete.testDeleteAllNoDeadLock <<<
   [junit4]    > Throwable #1: 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.deleteAll(IndexWriter.java:2435)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.deleteAll(RandomIndexWriter.java:373)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete.testDeleteAllNoDeadLock(TestIndexWriterDelete.java:348)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   [junit4]    >        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   [junit4]    >        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   [junit4]    >        at 
java.base/java.lang.reflect.Method.invoke(Method.java:566)
   [junit4]    >        at java.base/java.lang.Thread.run(Thread.java:834)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #2: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5771, name=Thread-5696, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #3: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5762, name=Thread-5687, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #4: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5768, name=Thread-5693, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #5: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5780, name=Lucene Merge Thread #8, 
state=RUNNABLE, group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: 
org.apache.lucene.index.CorruptIndexException: Problem reading index from 
MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:703)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:694)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9g.fnm in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 10 moreThrowable #6: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5761, name=Thread-5686, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #7: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5763, name=Thread-5688, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #8: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5769, name=Thread-5694, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #9: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5765, name=Thread-5690, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #10: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5764, name=Thread-5689, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #11: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5770, name=Thread-5695, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #12: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5766, name=Thread-5691, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [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([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
refusing to delete any files: this IndexWriter hit an unrecoverable exception
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2547)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2625)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$15(IndexWriter.java:5194)
   [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:191)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5174)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$1.afterSegmentsFlushed(IndexWriter.java:444)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:525)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:394)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:440)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 moreThrowable #13: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5767, name=Thread-5692, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [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([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.store.AlreadyClosedException: 
refusing to delete any files: this IndexWriter hit an unrecoverable exception
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
   [junit4]    >        at 
org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2547)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2625)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$15(IndexWriter.java:5194)
   [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:191)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5174)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$1.afterSegmentsFlushed(IndexWriter.java:444)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:525)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:394)
   [junit4]    >        at 
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:440)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]    >        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 more
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-5686,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]   2>        ... 10 more
   [junit4]   2> 
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-5696,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]   2>        ... 10 more
   [junit4]   2> 
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-5693,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]   2>        ... 10 more
   [junit4]   2> 
   [junit4]   2> thg 8 19, 2020 5:39:55 CH 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-5692,5,TGRP-TestIndexWriterDelete]
   [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([CE774376D2F9C325]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.store.AlreadyClosedException: 
refusing to delete any files: this IndexWriter hit an unrecoverable exception
   [junit4]   2>        at 
org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
   [junit4]   2>        at 
org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
   [junit4]   2>        at 
org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
   [junit4]   2>        at 
org.apache.lucene.index.IndexFileDeleter.checkpoint(IndexFileDeleter.java:531)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.checkpoint(IndexWriter.java:2547)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.publishFlushedSegment(IndexWriter.java:2625)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$publishFlushedSegments$15(IndexWriter.java:5194)
   [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:191)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.publishFlushedSegments(IndexWriter.java:5174)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$1.afterSegmentsFlushed(IndexWriter.java:444)
   [junit4]   2>        at 
org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:525)
   [junit4]   2>        at 
org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:394)
   [junit4]   2>        at 
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:440)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
   [junit

[...truncated too long message...]

1)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]   2>        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]   2> Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]   2>        ... 10 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=TestIndexWriterDelete -Dtests.method=testFlushPushedDeletesByRAM 
-Dtests.seed=CE774376D2F9C325 -Dtests.multiplier=2 -Dtests.nightly=true 
-Dtests.slow=true 
-Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/test-data/enwiki.random.lines.txt
 -Dtests.locale=vi-VN -Dtests.timezone=Asia/Qatar -Dtests.asserts=true 
-Dtests.file.encoding=US-ASCII
   [junit4] ERROR   0.04s J2 | 
TestIndexWriterDelete.testFlushPushedDeletesByRAM <<<
   [junit4]    > Throwable #1: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=5779, name=Lucene Merge Thread #7, 
state=RUNNABLE, group=TGRP-TestIndexWriterDelete]
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325:DA8039F1932575B8]:0)
   [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: 
org.apache.lucene.index.CorruptIndexException: Problem reading index from 
MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([CE774376D2F9C325]:0)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:703)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:694)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index from MockDirectoryWrapper(FileSwitchDirectory@40b45a14) 
(resource=MockDirectoryWrapper(FileSwitchDirectory@40b45a14))
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:142)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4516)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:438)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4513)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4173)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5724)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:624)
   [junit4]    >        at 
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:682)
   [junit4]    > Caused by: java.io.FileNotFoundException: _9j.cfe in 
dir=FileSwitchDirectory@40b45a14
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:748)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1044)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.readEntries(Lucene50CompoundReader.java:104)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundReader.<init>(Lucene50CompoundReader.java:68)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene50.Lucene50CompoundFormat.getCompoundReader(Lucene50CompoundFormat.java:71)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:101)
   [junit4]    >        ... 10 more
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/lucene/build/core/test/J2/temp/lucene.index.TestIndexWriterDelete_CE774376D2F9C325-001
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene86): 
{field=FST50, city=PostingsFormat(name=LuceneFixedGap), 
contents=PostingsFormat(name=Direct), id=PostingsFormat(name=LuceneFixedGap), 
body=FST50, value=PostingsFormat(name=LuceneVarGapDocFreqInterval), 
content=PostingsFormat(name=LuceneVarGapDocFreqInterval)}, 
docValues:{dv=DocValuesFormat(name=Asserting)}, maxPointsInLeafNode=326, 
maxMBSortInHeap=6.973846135645431, 
sim=Asserting(RandomSimilarity(queryNorm=false): {field=IB LL-D1, contents=IB 
LL-L3(800.0), city=BM25(k1=1.2,b=0.75), id=LM Jelinek-Mercer(0.100000), body=IB 
LL-L2, content=DFR GL2}), locale=vi-VN, timezone=Asia/Qatar
   [junit4]   2> NOTE: Linux 4.15.0-108-generic amd64/Oracle Corporation 11.0.6 
(64-bit)/cpus=4,threads=1,free=309220632,total=516947968
   [junit4]   2> NOTE: All tests run in this JVM: 
[TestComplexExplanationsOfNonMatches, TestXYDocValuesQueries, 
TestDisjunctionScoreBlockBoundaryPropagator, TestFloatRangeFieldQueries, 
TestBinaryDocument, TestSpanBoostQuery, TestMultiThreadTermVectors, 
TestSparseFixedBitDocIdSet, TestPositionIncrement, TestPendingSoftDeletes, 
TestAxiomaticSimilarity, TestLatLonLineShapeQueries, TestConstantScoreQuery, 
TestBoostQuery, TestExternalCodecs, TestLucene80DocValuesFormat, TestLongRange, 
TestLucene50StoredFieldsFormat, TestSimpleAttributeImpl, TestMutableValues, 
TestGraphTokenizers, TestConsistentFieldNumbers, TestDistributionSPL, 
TestTopDocsMerge, TestSpanExplanations, Test2BPositions, TestBufferedUpdates, 
TestFSTs, TestManyFields, TestSimpleExplanationsOfNonMatches, 
TestIndexWriterDelete]
   [junit4] Completed [195/567 (2!)] on J2 in 14.14s, 26 tests, 2 errors, 1 
skipped <<< FAILURES!

[...truncated 1295 lines...]
   [junit4] JVM J1: stdout was not empty, see: 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/lucene/build/core/test/temp/junit4-J1-20200819_140709_7888128099029441602415.sysout
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] java.lang.OutOfMemoryError: Java heap space
   [junit4] Dumping heap to 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/heapdumps/java_pid16520.hprof
 ...
   [junit4] Heap dump file created [618298128 bytes in 20.140 secs]
   [junit4] <<< JVM J1: EOF ----

   [junit4] JVM J1: stderr was not empty, see: 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/lucene/build/core/test/temp/junit4-J1-20200819_140709_7886540803743707488565.syserr
   [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "thread4"
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "Lucene Merge Thread #4591"
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "thread3"
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "thread0"
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "thread1"
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "Lucene Merge Thread #4590"
   [junit4] 
   [junit4] Exception: java.lang.OutOfMemoryError thrown from the 
UncaughtExceptionHandler in thread "thread2"
   [junit4] <<< JVM J1: EOF ----

[...truncated 22321 lines...]
BUILD FAILED
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/build.xml:653:
 The following error occurred while executing this line:
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-master/checkout/build.xml:587:
 Some of the tests produced a heap dump, but did not fail. Maybe a suppressed 
OutOfMemoryError? Dumps created:
* java_pid16520.hprof

Total time: 266 minutes 40 seconds
Build step 'Invoke Ant' marked build as failure
Archiving artifacts
Recording test results
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any

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