Simon Willnauer created LUCENE-8243:
---------------------------------------

             Summary: IndexWriter might delete DV update files if addIndices 
are invovled
                 Key: LUCENE-8243
                 URL: https://issues.apache.org/jira/browse/LUCENE-8243
             Project: Lucene - Core
          Issue Type: Bug
    Affects Versions: 7.4, master (8.0)
            Reporter: Simon Willnauer
             Fix For: 7.4, master (8.0)
         Attachments: broken_dv_update.patch

the attached test fails with this output:


{noformat}
/Library/Java/JavaVirtualMachines/jdk-9.0.1.jdk/Contents/Home/bin/java -ea 
-Djava.security.egd=file:/dev/./urandom -Didea.test.cyclic.buffer.size=1048576 
-Dfile.encoding=UTF-8 -classpath "/Applications/IntelliJ 
IDEA.app/Contents/lib/idea_rt.jar:/Applications/IntelliJ 
IDEA.app/Contents/plugins/junit/lib/junit-rt.jar:/Applications/IntelliJ 
IDEA.app/Contents/plugins/junit/lib/junit5-rt.jar:/Users/simonw/projects/lucene-solr/idea-build/lucene/test-framework/classes/test:/Users/simonw/projects/lucene-solr/idea-build/lucene/test-framework/classes/java:/Users/simonw/projects/lucene-solr/lucene/test-framework/lib/junit-4.10.jar:/Users/simonw/projects/lucene-solr/lucene/test-framework/lib/randomizedtesting-runner-2.5.3.jar:/Users/simonw/projects/lucene-solr/idea-build/lucene/codecs/classes/java:/Users/simonw/projects/lucene-solr/idea-build/lucene/core/classes/java:/Users/simonw/projects/lucene-solr/idea-build/lucene/core/classes/test"
 com.intellij.rt.execution.junit.JUnitStarter -ideVersion5 -junit4 
org.apache.lucene.index.TestAddIndexes,testAddIndexesDVUpdate
IFD 0 [2018-04-06T19:27:27.176036Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: 
current segments file is "segments_1"; 
deletionPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy@27cf18f0
IFD 0 [2018-04-06T19:27:27.188066Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: load 
commit "segments_1"
IFD 0 [2018-04-06T19:27:27.189800Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: 
seg=_0 set nextWriteDelGen=2 vs current=1
IFD 0 [2018-04-06T19:27:27.190053Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: 
removing unreferenced file "_0_1_Lucene70_0.dvd"
IFD 0 [2018-04-06T19:27:27.190224Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: 
removing unreferenced file "_0_1.fnm"
IFD 0 [2018-04-06T19:27:27.190371Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: 
removing unreferenced file "_0_1_Lucene70_0.dvm"
IFD 0 [2018-04-06T19:27:27.190528Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: delete 
[_0_1_Lucene70_0.dvd, _0_1.fnm, _0_1_Lucene70_0.dvm]
IFD 0 [2018-04-06T19:27:27.192558Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: now 
checkpoint "_0(8.0.0):C1:fieldInfosGen=1:dvGen=1" [1 segments ; isCommit = 
false]
IFD 0 [2018-04-06T19:27:27.192806Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 0 msec to 
checkpoint
IW 0 [2018-04-06T19:27:27.193012Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: init: 
create=false
IW 0 [2018-04-06T19:27:27.193428Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
dir=MockDirectoryWrapper(RAMDirectory@79d3c690 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@795a0c8b)
index=_0(8.0.0):C1:fieldInfosGen=1:dvGen=1
version=8.0.0
analyzer=org.apache.lucene.analysis.MockAnalyzer
ramBufferSizeMB=16.0
maxBufferedDocs=503
mergedSegmentWarmer=null
delPolicy=org.apache.lucene.index.KeepOnlyLastCommitDeletionPolicy
commit=null
openMode=CREATE_OR_APPEND
similarity=org.apache.lucene.search.similarities.AssertingSimilarity
mergeScheduler=org.apache.lucene.index.SerialMergeScheduler@2f3feff6
codec=FastDecompressionCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST_DECOMPRESSION,
 chunkSize=8, maxDocsPerChunk=6, blockSize=201), 
termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST_DECOMPRESSION,
 chunkSize=8, blockSize=201))
infoStream=org.apache.lucene.util.PrintStreamInfoStream
mergePolicy=[TieredMergePolicy: maxMergeAtOnce=41, maxMergeAtOnceExplicit=44, 
maxMergedSegmentMB=6.255859375, floorSegmentMB=0.38671875, 
forceMergeDeletesPctAllowed=4.456652110760543, segmentsPerTier=31.0, 
maxCFSSegmentSizeMB=8.796093022207999E12, noCFSRatio=0.877330376985384
indexerThreadPool=org.apache.lucene.index.DocumentsWriterPerThreadPool@257ebcdb
readerPooling=true
perThreadHardLimitMB=1945
useCompoundFile=true
commitOnClose=true
indexSort=null
checkPendingFlushOnUpdate=true
softDeletesField=null
writer=org.apache.lucene.index.IndexWriter@17b77ed5

IW 0 [2018-04-06T19:27:27.194085Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
MMapDirectory.UNMAP_SUPPORTED=true
IW 0 [2018-04-06T19:27:27.194347Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: now flush 
at close
IW 0 [2018-04-06T19:27:27.194630Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]:   start 
flush: applyAllDeletes=true
IW 0 [2018-04-06T19:27:27.194864Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]:   index 
before flush _0(8.0.0):C1:fieldInfosGen=1:dvGen=1
DW 0 [2018-04-06T19:27:27.194964Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
startFullFlush
DW 0 [2018-04-06T19:27:27.195096Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD] 
finishFullFlush success=true
IW 0 [2018-04-06T19:27:27.195181Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: now apply 
all deletes for all segments buffered updates bytesUsed=0 reader pool 
bytesUsed=0
BD 0 [2018-04-06T19:27:27.195260Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: waitApply: 
no deletes to apply
IW 0 [2018-04-06T19:27:27.195330Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
waitForMerges
IW 0 [2018-04-06T19:27:27.195385Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
waitForMerges done
IW 0 [2018-04-06T19:27:27.195448Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: commit: 
start
IW 0 [2018-04-06T19:27:27.195504Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: commit: 
enter lock
IW 0 [2018-04-06T19:27:27.195560Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: commit: 
now prepare
IW 0 [2018-04-06T19:27:27.195779Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
prepareCommit: flush
IW 0 [2018-04-06T19:27:27.195873Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]:   index 
before flush _0(8.0.0):C1:fieldInfosGen=1:dvGen=1
DW 0 [2018-04-06T19:27:27.195954Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
startFullFlush
IW 0 [2018-04-06T19:27:27.196076Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: now apply 
all deletes for all segments buffered updates bytesUsed=0 reader pool 
bytesUsed=0
BD 0 [2018-04-06T19:27:27.196170Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: waitApply: 
no deletes to apply
DW 0 [2018-04-06T19:27:27.196299Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD] 
finishFullFlush success=true
IW 0 [2018-04-06T19:27:27.196382Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 
startCommit(): start
IW 0 [2018-04-06T19:27:27.196455Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]:   skip 
startCommit(): no changes pending
IW 0 [2018-04-06T19:27:27.196542Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: commit: 
pendingCommit == null; skip
IW 0 [2018-04-06T19:27:27.196717Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: commit: 
took 0.8 msec
IW 0 [2018-04-06T19:27:27.196791Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: commit: 
done
IW 0 [2018-04-06T19:27:27.196950Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: rollback
IW 0 [2018-04-06T19:27:27.197032Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: all 
running merges have aborted
IW 0 [2018-04-06T19:27:27.197326Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: rollback: 
done finish merges
DW 0 [2018-04-06T19:27:27.197411Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: abort
DW 0 [2018-04-06T19:27:27.197486Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: done abort 
success=true
IW 0 [2018-04-06T19:27:27.197605Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: rollback: 
infos=_0(8.0.0):C1:fieldInfosGen=1:dvGen=1
IFD 0 [2018-04-06T19:27:27.197706Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: now 
checkpoint "_0(8.0.0):C1:fieldInfosGen=1:dvGen=1" [1 segments ; isCommit = 
false]
IFD 0 [2018-04-06T19:27:27.197837Z; 
TEST-TestAddIndexes.testAddIndexesDVUpdate-seed#[9F04EE6B720B6BFD]]: 0 msec to 
checkpoint

java.nio.file.NoSuchFileException: _0_1.fnm in dir=RAMDirectory@79d3c690 
lockFactory=org.apache.lucene.store.SingleInstanceLockFactory@795a0c8b

        at 
__randomizedtesting.SeedInfo.seed([9F04EE6B720B6BFD:E6EC23304E67E247]:0)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openInput(MockDirectoryWrapper.java:750)
        at 
org.apache.lucene.store.Directory.openChecksumInput(Directory.java:119)
        at 
org.apache.lucene.store.MockDirectoryWrapper.openChecksumInput(MockDirectoryWrapper.java:1072)
        at 
org.apache.lucene.codecs.lucene60.Lucene60FieldInfosFormat.read(Lucene60FieldInfosFormat.java:113)
        at 
org.apache.lucene.index.IndexWriter.readFieldInfos(IndexWriter.java:1207)
        at 
org.apache.lucene.index.IndexWriter.getFieldNumberMap(IndexWriter.java:1227)
        at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1114)
        at 
org.apache.lucene.index.TestAddIndexes.testAddIndexesDVUpdate(TestAddIndexes.java:1364)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.base/java.lang.reflect.Method.invoke(Method.java:564)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1737)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:934)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:970)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$10.evaluate(RandomizedRunner.java:984)
        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:943)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:829)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:879)
        at 
com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:890)
        at 
org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:41)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:40)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:53)
        at 
org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:47)
        at 
org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:64)
        at 
org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:54)
        at 
com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
        at 
com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:368)
        at java.base/java.lang.Thread.run(Thread.java:844)

NOTE: reproduce with: ant test  -Dtestcase=TestAddIndexes 
-Dtests.method=testAddIndexesDVUpdate -Dtests.seed=9F04EE6B720B6BFD 
-Dtests.slow=true -Dtests.badapples=true -Dtests.locale=es-HN 
-Dtests.timezone=Asia/Singapore -Dtests.asserts=true -Dtests.file.encoding=UTF-8
NOTE: test params are: 
codec=FastDecompressionCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST_DECOMPRESSION,
 chunkSize=8, maxDocsPerChunk=6, blockSize=201), 
termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST_DECOMPRESSION,
 chunkSize=8, blockSize=201)), 
sim=Asserting(org.apache.lucene.search.similarities.AssertingSimilarity@55f3c81b),
 locale=es-HN, timezone=Asia/Singapore
NOTE: Mac OS X 10.13.3 x86_64/Oracle Corporation 9.0.1 
(64-bit)/cpus=4,threads=1,free=231833088,total=268435456
NOTE: All tests run in this JVM: [TestAddIndexes]
{noformat}





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