[JENKINS] Lucene » Lucene-Solr-NightlyTests-8.x - Build # 10 - Unstable!

[Apache Jenkins Server]

Build: 
https://ci-builds.apache.org/job/Lucene/job/Lucene-Solr-NightlyTests-8.x/10/

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

Error Message:
this IndexWriter is closed

Stack Trace:
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F:1405E1FB806829D9]:0)
        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
        at org.apache.lucene.index.IndexWriter.deleteAll(IndexWriter.java:2425)
        at 
org.apache.lucene.index.RandomIndexWriter.deleteAll(RandomIndexWriter.java:373)
        at 
org.apache.lucene.index.TestIndexWriterDelete.testDeleteAllNoDeadLock(TestIndexWriterDelete.java:348)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1750)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:938)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:974)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:988)
        at 
org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:49)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:817)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:468)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:947)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:832)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:883)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:894)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.lucene.index.CorruptIndexException: Problem reading 
index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
        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$12(IndexWriter.java:4533)
        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
        ... 16 more


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

Error Message:
Captured an uncaught exception in thread: Thread[id=16730, name=Thread-16376, 
state=RUNNABLE, group=TGRP-TestIndexWriterDelete]

Stack Trace:
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16730, name=Thread-16376, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
Caused by: java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
        at __randomizedtesting.SeedInfo.seed([271C0EE500AB938F]:0)
        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is 
closed
        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:739)
        at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:753)
        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1330)
        at 
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1619)
        at 
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1262)
        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:193)
        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
Caused by: org.apache.lucene.index.CorruptIndexException: Problem reading 
index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
        at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
        at org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
        ... 1 more
Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
        ... 16 more




Build Log:
[...truncated 1590 lines...]
   [junit4] Suite: org.apache.lucene.index.TestIndexWriterDelete
   [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=271C0EE500AB938F -Dtests.multiplier=2 -Dtests.nightly=true 
-Dtests.slow=true 
-Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/test-data/enwiki.random.lines.txt
 -Dtests.locale=ro -Dtests.timezone=America/Punta_Arenas -Dtests.asserts=true 
-Dtests.file.encoding=US-ASCII
   [junit4] ERROR   0.87s J1 | TestIndexWriterDelete.testDeleteAllNoDeadLock <<<
   [junit4]    > Throwable #1: org.apache.lucene.store.AlreadyClosedException: 
this IndexWriter is closed
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F:1405E1FB806829D9]:0)
   [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.deleteAll(IndexWriter.java:2425)
   [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.lang.Thread.run(Thread.java:748)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [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$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 more
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16373,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        ... 3 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16376,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16377,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        ... 3 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16372,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16371,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16380,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16381,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        ... 3 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16382,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16378,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.index.CorruptIndexException: Problem reading index. 
(resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]:0)
   [junit4]   2>        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16375,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16379,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.addDocuments(IndexWriter.java:1306)
   [junit4]   2>        at 
org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]   2>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]   2>        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]   2>        ... 16 more
   [junit4]   2> 
   [junit4]   2> Aug 17, 2020 3:24:00 PM 
com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
 uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: 
Thread[Thread-16374,5,TGRP-TestIndexWriterDelete]
   [junit4]   2> java.lang.RuntimeException: 
org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
   [junit4]   2>        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]   2> Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]   2>        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]   2>        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]   2>        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]   2>        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]   2>        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [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>        ... 1 more
   [junit4]   2> Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]   2>        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]   2>        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [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>        ... 16 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=testDeleteAllNRT 
-Dtests.seed=271C0EE500AB938F -Dtests.multiplier=2 -Dtests.nightly=true 
-Dtests.slow=true 
-Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/test-data/enwiki.random.lines.txt
 -Dtests.locale=ro -Dtests.timezone=America/Punta_Arenas -Dtests.asserts=true 
-Dtests.file.encoding=US-ASCII
   [junit4] ERROR   0.03s J1 | TestIndexWriterDelete.testDeleteAllNRT <<<
   [junit4]    > Throwable #1: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16730, name=Thread-16376, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #2: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16731, name=Thread-16377, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]    >        ... 3 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #3: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16725, name=Thread-16371, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #4: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16726, name=Thread-16372, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #5: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16728, name=Thread-16374, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #6: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16733, name=Thread-16379, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #7: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16732, name=Thread-16378, state=RUNNABLE, 
group=TGRP-TestIndexWriterDelete]
   [junit4]    > Caused by: java.lang.RuntimeException: 
org.apache.lucene.index.CorruptIndexException: Problem reading index. 
(resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
__randomizedtesting.SeedInfo.seed([271C0EE500AB938F]:0)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:332)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        at 
org.apache.lucene.index.TestIndexWriterDelete$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #8: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16729, name=Thread-16375, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #9: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16727, name=Thread-16373, state=RU

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

ache.lucene.index.CorruptIndexException: Problem reading index. 
(resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [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$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [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.RandomIndexWriter.addDocument(RandomIndexWriter.java:163)
   [junit4]    >        ... 1 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 moreThrowable #12: 
com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught 
exception in thread: Thread[id=16735, name=Thread-16381, 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([271C0EE500AB938F]: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$1.run(TestIndexWriterDelete.java:326)
   [junit4]    > Caused by: org.apache.lucene.index.CorruptIndexException: 
Problem reading index. (resource=_8m.fnm in dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:144)
   [junit4]    >        at 
org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:83)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReader(ReadersAndUpdates.java:171)
   [junit4]    >        at 
org.apache.lucene.index.ReadersAndUpdates.getReaderForMerge(ReadersAndUpdates.java:714)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.lambda$mergeMiddle$12(IndexWriter.java:4533)
   [junit4]    >        at 
org.apache.lucene.index.MergePolicy$OneMerge.initMergeReaders(MergePolicy.java:439)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4530)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4190)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter$IndexWriterMergeSource.merge(IndexWriter.java:5741)
   [junit4]    >        at 
org.apache.lucene.index.SerialMergeScheduler.merge(SerialMergeScheduler.java:40)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeMerge(IndexWriter.java:2151)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5258)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.maybeProcessEvents(IndexWriter.java:5248)
   [junit4]    >        at 
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1333)
   [junit4]    >        ... 3 more
   [junit4]    > Caused by: java.nio.file.NoSuchFileException: _8m.fnm in 
dir=RAMDirectory@72f2085a 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7c5356fb
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:753)
   [junit4]    >        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:157)
   [junit4]    >        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1075)
   [junit4]    >        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
   [junit4]    >        at 
org.apache.lucene.index.SegmentCoreReaders.<init>(SegmentCoreReaders.java:109)
   [junit4]    >        ... 16 more
   [junit4]   2> NOTE: leaving temporary files on disk at: 
/home/jenkins/jenkins-slave/workspace/Lucene/Lucene-Solr-NightlyTests-8.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestIndexWriterDelete_271C0EE500AB938F-001
   [junit4]   2> NOTE: test params are: codec=Lucene86, 
sim=Asserting(RandomSimilarity(queryNorm=false): {field=DFR I(F)B3(800.0), 
contents=LM Jelinek-Mercer(0.700000), city=IB LL-LZ(0.3), id=DFR GBZ(0.3), 
body=LM Dirichlet(2000.000000), content=DFR GBZ(0.3)}), locale=ro, 
timezone=America/Punta_Arenas
   [junit4]   2> NOTE: Linux 4.15.0-108-generic amd64/Oracle Corporation 
1.8.0_252 (64-bit)/cpus=4,threads=1,free=90207312,total=320864256
   [junit4]   2> NOTE: All tests run in this JVM: [TestIndexedDISI, 
TestNumericUtils, TestBooleanMinShouldMatch, 
TestLatLonPointDistanceFeatureQuery, TestPointQueries, 
TestIndexWriterMergePolicy, TestRegexpQuery, TestGrowableByteArrayDataOutput, 
TestMultiTermQueryRewrites, TestTieredMergePolicy, TestXYShapeEncoding, 
TestFutureObjects, TestIndexWriterUnicode, TestShardSearching, TestReaderPool, 
Test2BBinaryDocValues, TestLatLonDocValuesField, TestXYMultiLineShapeQueries, 
TestEarlyTermination, TestBufferedChecksum, TestLucene84PostingsFormat, 
TestSoftDeletesDirectoryReaderWrapper, TestFilterDirectoryReader, 
MultiCollectorTest, TestSegmentTermEnum, TestIntArrayDocIdSet, TestPolygon2D, 
TestMaxTermFrequency, TestMultiPhraseEnum, 
TestLucene80NormsFormatMergeInstance, TestMatchNoDocsQuery, 
TestRamUsageEstimator, TestStandardAnalyzer, TestFieldUpdatesBuffer, 
TestFieldType, TestSpanNotQuery, TestCloseableThreadLocal, 
TestIndexWriterExceptions, TestStressIndexing2, TestSpanFirstQuery, 
TestDirectoryReaderReopen, TestTransactions, TestIndexingSequenceNumbers, 
TestParallelTermEnum, TestByteBlockPool, TestCachingTokenFilter, 
TestIndexWriterFromReader, TestPackedTokenAttributeImpl, TestAutomatonQuery, 
TestSortedNumericSortField, TestAxiomaticF3LOG, TestQueryRescorer, 
TestCharFilter, TestXYPoint, TestDocument, TestMergedIterator, 
TestIndexOptions, TestNoMergePolicy, TestMaxScoreSumPropagator, 
TestPendingDeletes, TestCheckIndex, TestHighLZ4, TestDocIDMerger, 
TestBitTableUtil, TestStopFilter, TestOmitTf, TestPriorityQueue, 
TestPrefixInBooleanQuery, TestLatLonPolygonShapeQueries, 
TestNumericDocValuesUpdates, TestTimSorterWorstCase, 
TestDisjunctionScoreBlockBoundaryPropagator, TestNRTCachingDirectory, 
TestPackedInts, TestXYPointShapeQueries, TestDemo, 
TestSingleInstanceLockFactory, TestMultiFields, TestForceMergeForever, 
TestParallelCompositeReader, TestPerFieldPostingsFormat2, 
TestDuelingCodecsAtNight, TestIndependenceSaturated, TestBinaryTerms, 
TestFilterIterator, TestFstDirectAddressing, TestLevenshteinAutomata, 
TestCrashCausesCorruptIndex, TestConcurrentMergeScheduler, 
TestIndexFileDeleter, TestSubScorerFreqs, TestDaciukMihovAutomatonBuilder, 
TestBasicModelIne, TestSort, TestLucene50LiveDocsFormat, Test2BPostingsBytes, 
Test2BSortedDocValuesFixedSorted, Test2BSortedDocValuesOrds, Test2BTerms, 
Test4GBStoredFields, TestAddIndexes, TestAllFilesCheckIndexHeader, 
TestAllFilesDetectTruncation, TestAllFilesHaveChecksumFooter, 
TestAllFilesHaveCodecHeader, TestAtomicUpdate, TestBagOfPositions, 
TestBagOfPostings, TestBufferedUpdates, TestConsistentFieldNumbers, 
TestCustomTermFreq, TestDeletionPolicy, TestDoc, 
TestDocInverterPerFieldErrorInfo, TestDocValues, TestDocValuesFieldUpdates, 
TestDocsAndPositions, TestDocsWithFieldSet, TestDocumentWriter, 
TestDocumentsWriterDeleteQueue, TestDocumentsWriterPerThreadPool, 
TestDocumentsWriterStallControl, TestExitableDirectoryReader, TestFieldInfos, 
TestFieldsReader, TestFilterMergePolicy, TestFlex, TestIndexInput, 
TestIndexReaderClose, TestIndexSorting, TestIndexTooManyDocs, TestIndexWriter, 
TestIndexWriterCommit, TestIndexWriterConfig, TestIndexWriterDelete]
   [junit4] Completed [361/569 (1!)] on J1 in 14.40s, 26 tests, 2 errors, 1 
skipped <<< FAILURES!

[...truncated 67116 lines...]

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