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Posted to dev@lucene.apache.org by "Nhat Nguyen (JIRA)" <ji...@apache.org> on 2018/06/13 02:05:00 UTC
[jira] [Comment Edited] (LUCENE-8355) IW#writeSomeDocValuesUpdates
might open a dropped segment
[ https://issues.apache.org/jira/browse/LUCENE-8355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16510516#comment-16510516 ]
Nhat Nguyen edited comment on LUCENE-8355 at 6/13/18 2:04 AM:
--------------------------------------------------------------
This test fails because IW#writeSomeDocValuesUpdates tries to open a dropped segment. We obtain a queue of readers from readerPool#getReadersByRam, then process each of them under IW lock. However, one of the segments of those readers is dropped before we execute #writeFieldUpdates. This situation is possible because we only acquire IW lock on each writeFieldUpdates not entirely the method.
was (Author: dnhatn):
This test fails because IW#writeSomeDocValuesUpdates tries to open a dropped segment. We obtain a queue of readers from readerPool#getReadersByRam, then process each of them under IW lock. However, one of the segments of those readers is dropped before we execute #writeFieldUpdates. This situation is possible because we only acquire IW lock on each writeFieldUpdates not entirely the method.
/cc [~simonwillnauer]
> IW#writeSomeDocValuesUpdates might open a dropped segment
> ---------------------------------------------------------
>
> Key: LUCENE-8355
> URL: https://issues.apache.org/jira/browse/LUCENE-8355
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Affects Versions: 7.4, master (8.0), 7.5
> Reporter: Nhat Nguyen
> Priority: Major
> Attachments: LUCENE-8355.patch
>
>
> {noformat}
> [junit4] Suite: org.apache.lucene.index.TestIndexWriterWithThreads
> [junit4] 2> Jun 12, 2018 9:09:00 AM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
> [junit4] 2> WARNING: Uncaught exception in thread: Thread[Thread-927,5,TGRP-TestIndexWriterWithThreads]
> [junit4] 2> java.lang.AssertionError: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] 2> at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] 2> at java.lang.Thread.run(Thread.java:748)
> [junit4] 2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] 2> at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:663)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.getConfig(IndexWriter.java:982)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.maybeFlushOrCommit(RandomIndexWriter.java:198)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:273)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] 2> ... 1 more
> [junit4] 2> Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] 2> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] 2> at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] 2> at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] 2> at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] 2> ... 2 more
> [junit4] 2>
> [junit4] 2> Jun 12, 2018 9:09:00 AM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
> [junit4] 2> WARNING: Uncaught exception in thread: Thread[Thread-928,5,TGRP-TestIndexWriterWithThreads]
> [junit4] 2> java.lang.AssertionError: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] 2> at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] 2> at java.lang.Thread.run(Thread.java:748)
> [junit4] 2> Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] 2> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] 2> at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] 2> at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] 2> at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] 2> ... 1 more
> [junit4] 2>
> [junit4] 2> Jun 12, 2018 9:09:00 AM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
> [junit4] 2> WARNING: Uncaught exception in thread: Thread[Thread-929,5,TGRP-TestIndexWriterWithThreads]
> [junit4] 2> java.lang.AssertionError: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] 2> at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] 2> at java.lang.Thread.run(Thread.java:748)
> [junit4] 2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] 2> at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:663)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:677)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1280)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.softUpdateDocuments(IndexWriter.java:1343)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:262)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] 2> ... 1 more
> [junit4] 2> Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] 2> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] 2> at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] 2> at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] 2> at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] 2> ... 2 more
> [junit4] 2>
> [junit4] 2> Jun 12, 2018 9:09:00 AM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
> [junit4] 2> WARNING: Uncaught exception in thread: Thread[Thread-930,5,TGRP-TestIndexWriterWithThreads]
> [junit4] 2> java.lang.AssertionError: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] 2> at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] 2> at java.lang.Thread.run(Thread.java:748)
> [junit4] 2> Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] 2> at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:663)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:677)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1590)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] 2> at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] 2> at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] 2> ... 1 more
> [junit4] 2> Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] 2> at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] 2> at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] 2> at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] 2> at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] 2> at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] 2> at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] 2> at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] 2> ... 4 more
> [junit4] 2>
> [junit4] 2> NOTE: reproduce with: ant test -Dtestcase=TestIndexWriterWithThreads -Dtests.method=testUpdateSingleDocWithThreads -Dtests.seed=F89419D754B7F340 -Dtests.slow=true -Dtests.badapples=true -Dtests.locale=en-PH -Dtests.timezone=Europe/Samara -Dtests.asserts=true -Dtests.file.encoding=UTF-8
> [junit4] ERROR 0.09s J3 | TestIndexWriterWithThreads.testUpdateSingleDocWithThreads <<<
> [junit4] > Throwable #1: org.apache.lucene.store.AlreadyClosedException: refusing to delete any files: this IndexWriter hit an unrecoverable exception
> [junit4] > at org.apache.lucene.index.IndexFileDeleter.ensureOpen(IndexFileDeleter.java:349)
> [junit4] > at org.apache.lucene.index.IndexFileDeleter.deleteFiles(IndexFileDeleter.java:669)
> [junit4] > at org.apache.lucene.index.IndexFileDeleter.decRef(IndexFileDeleter.java:589)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.finishApply(FrozenBufferedUpdates.java:422)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.lambda$apply$0(FrozenBufferedUpdates.java:292)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:296)
> [junit4] > at org.apache.lucene.index.BufferedUpdatesStream.waitApply(BufferedUpdatesStream.java:230)
> [junit4] > at org.apache.lucene.index.BufferedUpdatesStream.waitApplyAll(BufferedUpdatesStream.java:143)
> [junit4] > at org.apache.lucene.index.IndexWriter.applyAllDeletesAndUpdates(IndexWriter.java:3637)
> [junit4] > at org.apache.lucene.index.IndexWriter.getReader(IndexWriter.java:508)
> [junit4] > at org.apache.lucene.index.StandardDirectoryReader.doOpenFromWriter(StandardDirectoryReader.java:288)
> [junit4] > at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:263)
> [junit4] > at org.apache.lucene.index.StandardDirectoryReader.doOpenIfChanged(StandardDirectoryReader.java:253)
> [junit4] > at org.apache.lucene.index.DirectoryReader.openIfChanged(DirectoryReader.java:140)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.testUpdateSingleDocWithThreads(TestIndexWriterWithThreads.java:694)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> [junit4] > Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] > at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] > at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] > at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] > at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] > at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] > at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] > at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] > at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] > at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] > ... 1 moreThrowable #2: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=1082, name=Thread-928, state=RUNNABLE, group=TGRP-TestIndexWriterWithThreads]
> [junit4] > Caused by: java.lang.AssertionError: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] > at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> [junit4] > Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] > at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] > at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] > at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] > at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] > at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] > at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] > at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] > at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] > at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] > ... 1 moreThrowable #3: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=1081, name=Thread-927, state=RUNNABLE, group=TGRP-TestIndexWriterWithThreads]
> [junit4] > Caused by: java.lang.AssertionError: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] > at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> [junit4] > Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] > at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:663)
> [junit4] > at org.apache.lucene.index.IndexWriter.getConfig(IndexWriter.java:982)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.maybeFlushOrCommit(RandomIndexWriter.java:198)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:273)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] > ... 1 more
> [junit4] > Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] > at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] > at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] > at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] > at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] > at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] > at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] > at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] > at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] > at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] > ... 2 moreThrowable #4: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=1084, name=Thread-930, state=RUNNABLE, group=TGRP-TestIndexWriterWithThreads]
> [junit4] > Caused by: java.lang.AssertionError: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] > at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> [junit4] > Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] > at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:663)
> [junit4] > at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:677)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1590)
> [junit4] > at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] > ... 1 more
> [junit4] > Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] > at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] > at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] > at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] > at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] > at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] > at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] > at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] > at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] > ... 4 moreThrowable #5: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=1083, name=Thread-929, state=RUNNABLE, group=TGRP-TestIndexWriterWithThreads]
> [junit4] > Caused by: java.lang.AssertionError: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] > at __randomizedtesting.SeedInfo.seed([F89419D754B7F340]:0)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:682)
> [junit4] > at java.lang.Thread.run(Thread.java:748)
> [junit4] > Caused by: org.apache.lucene.store.AlreadyClosedException: this IndexWriter is closed
> [junit4] > at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:663)
> [junit4] > at org.apache.lucene.index.IndexWriter.ensureOpen(IndexWriter.java:677)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1280)
> [junit4] > at org.apache.lucene.index.IndexWriter.softUpdateDocuments(IndexWriter.java:1343)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:262)
> [junit4] > at org.apache.lucene.index.TestIndexWriterWithThreads.lambda$testUpdateSingleDocWithThreads$2(TestIndexWriterWithThreads.java:679)
> [junit4] > ... 1 more
> [junit4] > Caused by: java.io.FileNotFoundException: _a_1.fnm in dir=RAMDirectory@641490af lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@7685b98b
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
> [junit4] > at org.apache.lucene.store.Directory.openChecksumInput(Directory.java:121)
> [junit4] > at org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
> [junit4] > at org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
> [junit4] > at org.apache.lucene.index.SegmentReader.initFieldInfos(SegmentReader.java:195)
> [junit4] > at org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:97)
> [junit4] > at org.apache.lucene.index.ReadersAndUpdates.writeFieldUpdates(ReadersAndUpdates.java:536)
> [junit4] > at org.apache.lucene.index.IndexWriter.writeSomeDocValuesUpdates(IndexWriter.java:610)
> [junit4] > at org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:299)
> [junit4] > at org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$3(IndexWriter.java:2586)
> [junit4] > at org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5056)
> [junit4] > at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1596)
> [junit4] > at org.apache.lucene.index.IndexWriter.softUpdateDocument(IndexWriter.java:1653)
> [junit4] > at org.apache.lucene.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:264)
> [junit4] > ... 2 more
> [junit4] 2> NOTE: test params are: codec=Lucene70, sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@46139ed0), locale=en-PH, timezone=Europe/Samara
> [junit4] 2> NOTE: Linux 4.4.0-1060-aws amd64/Oracle Corporation 1.8.0_171 (64-bit)/cpus=16,threads=1,free=41285248,total=336592896
> [junit4] 2> NOTE: All tests run in this JVM: [TestSimpleExplanations, TestBasics, TestBytesRefAttImpl, TestFieldReuse, TestSameScoresWithThreads, TestEarlyTermination, TestAddIndexes, TestSpanOrQuery, TestRegexpQuery, TestMinimize, TestFlex, TestRollback, TestBooleanRewrites, TestVersion, TestScorerPerf, TestMultiMMap, TestWANDScorer, TestIndexingSequenceNumbers, TestAtomicUpdate, TestSmallFloat, TestIndexWriterCommit, TestTryDelete, TestIndexWriterMaxDocs, TestLMDirichletSimilarity, TestCharsRefBuilder, TestReqExclBulkScorer, TestIndexedDISI, TestNeedsScores, TestParallelTermEnum, TestDistributionSPL, TestIndexManyDocuments, TestToken, TestSimilarityProvider, TestSoftDeletesRetentionMergePolicy, TestMatchAllDocsQuery, TestSpans, TestCustomSearcherSort, TestMaxPosition, TestDuelingCodecsAtNight, TestReaderPool, Test2BSortedDocValuesOrds, TestSpanMultiTermQueryWrapper, TestIndexTooManyDocs, TestPolygon, TestByteSlices, TestHighCompressionMode, LimitedFiniteStringsIteratorTest, TestNativeFSLockFactory, TestDelegatingAnalyzerWrapper, TestSimilarity2, TestRamUsageEstimator, TestForUtil, TestDocumentsWriterStallControl, TestSingleInstanceLockFactory, TestForTooMuchCloning, TestSpanExplanations, TestIndexWriterMerging, TestPhrasePrefixQuery, TestNRTReaderCleanup, TestDocValuesQueries, Test2BPostings, TestFieldCacheRewriteMethod, TestFSTs, TestIndexWriterWithThreads]
> [junit4] Completed [219/496 (1!)] on J3 in 2.00s, 13 tests, 1 error <<< FAILURES!
> {noformat}
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