[LUCENE-6847] Test3DPointField and TestBKDTree failures: .bkd file can't be deleted

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 6.0
• Component/s: modules/sandbox, modules/spatial3d
• Lucene Fields: New
• Assignee: Michael McCandless
• Reporter: Steven Rowe
• Created: 20/Oct/15 04:43
• Updated: 28/Aug/22 14:44
• Resolved: 20/Oct/15 14:32

Description

My Jenkins found seeds for TestGeo3DPointField and TestBKDTree tests that cause them to fail reliably, because a .bkd file can't be deleted because "a virus scanner has it open".

   [junit4] Suite: org.apache.lucene.bkdtree3d.TestGeo3DPointField
[...] 
   [junit4]   2> thg 10 19, 2015 9:18:51 CH com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: Thread[Lucene Merge Thread #0,5,TGRP-TestGeo3DPointField]
   [junit4]   2> org.apache.lucene.index.MergePolicy$MergeException: java.io.IOException: cannot delete file: _41767748444.sort, a virus scanner has it open
   [junit4]   2>        at __randomizedtesting.SeedInfo.seed([61ED8059BBF9CF1D]:0)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
   [junit4]   2> Caused by: java.io.IOException: cannot delete file: _41767748444.sort, a virus scanner has it open
   [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:523)
   [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:471)
   [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38)
   [junit4]   2>        at org.apache.lucene.store.FilterDirectory.deleteFile(FilterDirectory.java:62)
   [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.deleteFile(TrackingDirectoryWrapper.java:37)
   [junit4]   2>        at org.apache.lucene.bkdtree3d.BKD3DTreeWriter.sort(BKD3DTreeWriter.java:344)
   [junit4]   2>        at org.apache.lucene.bkdtree3d.BKD3DTreeWriter.finish(BKD3DTreeWriter.java:398)
   [junit4]   2>        at org.apache.lucene.bkdtree3d.Geo3DDocValuesConsumer.addBinaryField(Geo3DDocValuesConsumer.java:131)
   [junit4]   2>        at org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addBinaryField(PerFieldDocValuesFormat.java:116)
   [junit4]   2>        at org.apache.lucene.codecs.DocValuesConsumer.mergeBinaryField(DocValuesConsumer.java:333)
   [junit4]   2>        at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:185)
   [junit4]   2>        at org.apache.lucene.index.SegmentMerger.mergeDocValues(SegmentMerger.java:150)
   [junit4]   2>        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:105)
   [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4054)
   [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3634)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
[...]
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestGeo3DPointField -Dtests.method=testRandomBig -Dtests.seed=61ED8059BBF9CF1D -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=vi_VN -Dtests.timezone=US/Arizona -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
   [junit4] ERROR   20.6s | TestGeo3DPointField.testRandomBig <<<
   [junit4]    > Throwable #1: java.io.IOException: background merge hit exception: _0(6.0.0):c262144/2626:delGen=1 _1(6.0.0):c262144/773:delGen=1 _2(6.0.0):c262144/492:delGen=1 _3(6.0.0):c142742/106:delGen=1 into _4 [maxNumSegments=1]
   [junit4]    >        at __randomizedtesting.SeedInfo.seed([61ED8059BBF9CF1D:E6BAFDD62AA0B39D]:0)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1765)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1705)
   [junit4]    >        at org.apache.lucene.bkdtree3d.TestGeo3DPointField.verify(TestGeo3DPointField.java:951)
   [junit4]    >        at org.apache.lucene.bkdtree3d.TestGeo3DPointField.doTestRandom(TestGeo3DPointField.java:793)
   [junit4]    >        at org.apache.lucene.bkdtree3d.TestGeo3DPointField.testRandomBig(TestGeo3DPointField.java:725)
   [junit4]    >        at java.lang.Thread.run(Thread.java:745)
   [junit4]    > Caused by: java.io.IOException: cannot delete file: _41767748444.sort, a virus scanner has it open
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:523)
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:471)
   [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38)
   [junit4]    >        at org.apache.lucene.store.FilterDirectory.deleteFile(FilterDirectory.java:62)
   [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.deleteFile(TrackingDirectoryWrapper.java:37)
   [junit4]    >        at org.apache.lucene.bkdtree3d.BKD3DTreeWriter.sort(BKD3DTreeWriter.java:344)
   [junit4]    >        at org.apache.lucene.bkdtree3d.BKD3DTreeWriter.finish(BKD3DTreeWriter.java:398)
   [junit4]    >        at org.apache.lucene.bkdtree3d.Geo3DDocValuesConsumer.addBinaryField(Geo3DDocValuesConsumer.java:131)
   [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addBinaryField(PerFieldDocValuesFormat.java:116)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.mergeBinaryField(DocValuesConsumer.java:333)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:185)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeDocValues(SegmentMerger.java:150)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:105)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4054)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3634)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
   [junit4]   2> NOTE: download the large Jenkins line-docs file by running 'ant get-jenkins-line-docs' in the lucene directory.
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestGeo3DPointField -Dtests.method=testRandomTiny -Dtests.seed=61ED8059BBF9CF1D -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=vi_VN -Dtests.timezone=US/Arizona -Dtests.asserts=true -Dtests.file.encoding=US-ASCII
   [junit4] ERROR   0.53s | TestGeo3DPointField.testRandomTiny <<<
   [junit4]    > Throwable #1: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=22, name=Lucene Merge Thread #0, state=RUNNABLE, group=TGRP-TestGeo3DPointField]
   [junit4]    >        at __randomizedtesting.SeedInfo.seed([61ED8059BBF9CF1D:28AA5E1FE5D8F7B1]:0)
   [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: java.io.IOException: cannot delete file: _41767748444.sort, a virus scanner has it open
   [junit4]    >        at __randomizedtesting.SeedInfo.seed([61ED8059BBF9CF1D]:0)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
   [junit4]    > Caused by: java.io.IOException: cannot delete file: _41767748444.sort, a virus scanner has it open
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:523)
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:471)
   [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38)
   [junit4]    >        at org.apache.lucene.store.FilterDirectory.deleteFile(FilterDirectory.java:62)
   [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.deleteFile(TrackingDirectoryWrapper.java:37)
   [junit4]    >        at org.apache.lucene.bkdtree3d.BKD3DTreeWriter.sort(BKD3DTreeWriter.java:344)
   [junit4]    >        at org.apache.lucene.bkdtree3d.BKD3DTreeWriter.finish(BKD3DTreeWriter.java:398)
   [junit4]    >        at org.apache.lucene.bkdtree3d.Geo3DDocValuesConsumer.addBinaryField(Geo3DDocValuesConsumer.java:131)
   [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addBinaryField(PerFieldDocValuesFormat.java:116)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.mergeBinaryField(DocValuesConsumer.java:333)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:185)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeDocValues(SegmentMerger.java:150)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:105)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4054)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3634)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
[...]
   [junit4]   2> NOTE: leaving temporary files on disk at: /home/sarowe/svn/lucene/dev/trunk/lucene/build/spatial3d/test/J0/temp/lucene.bkdtree3d.TestGeo3DPointField_61ED8059BBF9CF1D-002
   [junit4]   2> NOTE: test params are: codec=FastCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST, chunkSize=6799, maxDocsPerChunk=464, blockSize=8), termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST, chunkSize=6799, blockSize=8)), sim=RandomSimilarityProvider(queryNorm=false,coord=no): {}, locale=vi_VN, timezone=US/Arizona
   [junit4]   2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_45 (64-bit)/cpus=16,threads=1,free=279335424,total=536346624
   [junit4]   2> NOTE: All tests run in this JVM: [TestGeo3DPointField]
   [junit4] Completed [1/1] in 51.66s, 8 tests, 2 errors <<< FAILURES!

   [junit4] Suite: org.apache.lucene.bkdtree.TestBKDTree
[...]
   [junit4]   2> Oct 20, 2015 5:35:59 AM com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler uncaughtException
   [junit4]   2> WARNING: Uncaught exception in thread: Thread[Lucene Merge Thread #0,5,TGRP-TestBKDTree]
   [junit4]   2> org.apache.lucene.index.MergePolicy$MergeException: java.io.IOException: cannot delete file: _5659690406.bkd, a virus scanner has it open
   [junit4]   2>        at __randomizedtesting.SeedInfo.seed([27B8B43F33235531]:0)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
   [junit4]   2> Caused by: java.io.IOException: cannot delete file: _5659690406.bkd, a virus scanner has it open
   [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:523)
   [junit4]   2>        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:471)
   [junit4]   2>        at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38)
   [junit4]   2>        at org.apache.lucene.store.FilterDirectory.deleteFile(FilterDirectory.java:62)
   [junit4]   2>        at org.apache.lucene.store.TrackingDirectoryWrapper.deleteFile(TrackingDirectoryWrapper.java:37)
   [junit4]   2>        at org.apache.lucene.bkdtree.OfflineLatLonWriter.destroy(OfflineLatLonWriter.java:69)
   [junit4]   2>        at org.apache.lucene.bkdtree.BKDTreeWriter.finish(BKDTreeWriter.java:416)
   [junit4]   2>        at org.apache.lucene.bkdtree.BKDTreeDocValuesConsumer.addSortedNumericField(BKDTreeDocValuesConsumer.java:114)
   [junit4]   2>        at org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedNumericField(PerFieldDocValuesFormat.java:126)
   [junit4]   2>        at org.apache.lucene.codecs.DocValuesConsumer.mergeSortedNumericField(DocValuesConsumer.java:417)
   [junit4]   2>        at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:236)
   [junit4]   2>        at org.apache.lucene.index.SegmentMerger.mergeDocValues(SegmentMerger.java:150)
   [junit4]   2>        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:105)
   [junit4]   2>        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4054)
   [junit4]   2>        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3634)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
   [junit4]   2>        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
   [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=TestBKDTree -Dtests.method=testRandomBig -Dtests.seed=27B8B43F33235531 -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=en_GB -Dtests.timezone=Africa/Libreville -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   13.6s | TestBKDTree.testRandomBig <<<
   [junit4]    > Throwable #1: java.io.IOException: background merge hit exception: _0(6.0.0):c262144/2577:delGen=1 _1(6.0.0):c262144/803:delGen=1 _2(6.0.0):c262144/520:delGen=1 _3(6.0.0):c262144/372:delGen=1 _4(6.0.0):c119822/63:delGen=1 into _5 [maxNumSegments=1]
   [junit4]    >        at __randomizedtesting.SeedInfo.seed([27B8B43F33235531:A0EFC9B0A27A29B1]:0)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1765)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1705)
   [junit4]    >        at org.apache.lucene.bkdtree.TestBKDTree.verify(TestBKDTree.java:405)
   [junit4]    >        at org.apache.lucene.bkdtree.TestBKDTree.doTestRandom(TestBKDTree.java:354)
   [junit4]    >        at org.apache.lucene.bkdtree.TestBKDTree.testRandomBig(TestBKDTree.java:285)
   [junit4]    >        at java.lang.Thread.run(Thread.java:745)
   [junit4]    > Caused by: java.io.IOException: cannot delete file: _5659690406.bkd, a virus scanner has it open
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:523)
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:471)
   [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38)
   [junit4]    >        at org.apache.lucene.store.FilterDirectory.deleteFile(FilterDirectory.java:62)
   [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.deleteFile(TrackingDirectoryWrapper.java:37)
   [junit4]    >        at org.apache.lucene.bkdtree.OfflineLatLonWriter.destroy(OfflineLatLonWriter.java:69)
   [junit4]    >        at org.apache.lucene.bkdtree.BKDTreeWriter.finish(BKDTreeWriter.java:416)
   [junit4]    >        at org.apache.lucene.bkdtree.BKDTreeDocValuesConsumer.addSortedNumericField(BKDTreeDocValuesConsumer.java:114)
   [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedNumericField(PerFieldDocValuesFormat.java:126)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.mergeSortedNumericField(DocValuesConsumer.java:417)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:236)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeDocValues(SegmentMerger.java:150)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:105)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4054)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3634)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
   [junit4]   2> NOTE: download the large Jenkins line-docs file by running 'ant get-jenkins-line-docs' in the lucene directory.
   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestBKDTree -Dtests.method=testEncodeDecode -Dtests.seed=27B8B43F33235531 -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true -Dtests.linedocsfile=/home/jenkins/lucene-data/enwiki.random.lines.txt -Dtests.locale=en_GB -Dtests.timezone=Africa/Libreville -Dtests.asserts=true -Dtests.file.encoding=UTF-8
   [junit4] ERROR   0.03s | TestBKDTree.testEncodeDecode <<<
   [junit4]    > Throwable #1: com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an uncaught exception in thread: Thread[id=32, name=Lucene Merge Thread #0, state=RUNNABLE, group=TGRP-TestBKDTree]
   [junit4]    >        at __randomizedtesting.SeedInfo.seed([27B8B43F33235531:DAC95F43F2BE6292]:0)
   [junit4]    > Caused by: org.apache.lucene.index.MergePolicy$MergeException: java.io.IOException: cannot delete file: _5659690406.bkd, a virus scanner has it open
   [junit4]    >        at __randomizedtesting.SeedInfo.seed([27B8B43F33235531]:0)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
   [junit4]    > Caused by: java.io.IOException: cannot delete file: _5659690406.bkd, a virus scanner has it open
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:523)
   [junit4]    >        at org.apache.lucene.store.MockDirectoryWrapper.deleteFile(MockDirectoryWrapper.java:471)
   [junit4]    >        at org.apache.lucene.store.LockValidatingDirectoryWrapper.deleteFile(LockValidatingDirectoryWrapper.java:38)
   [junit4]    >        at org.apache.lucene.store.FilterDirectory.deleteFile(FilterDirectory.java:62)
   [junit4]    >        at org.apache.lucene.store.TrackingDirectoryWrapper.deleteFile(TrackingDirectoryWrapper.java:37)
   [junit4]    >        at org.apache.lucene.bkdtree.OfflineLatLonWriter.destroy(OfflineLatLonWriter.java:69)
   [junit4]    >        at org.apache.lucene.bkdtree.BKDTreeWriter.finish(BKDTreeWriter.java:416)
   [junit4]    >        at org.apache.lucene.bkdtree.BKDTreeDocValuesConsumer.addSortedNumericField(BKDTreeDocValuesConsumer.java:114)
   [junit4]    >        at org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedNumericField(PerFieldDocValuesFormat.java:126)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.mergeSortedNumericField(DocValuesConsumer.java:417)
   [junit4]    >        at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:236)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.mergeDocValues(SegmentMerger.java:150)
   [junit4]    >        at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:105)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4054)
   [junit4]    >        at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3634)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
   [junit4]    >        at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
[...]
   [junit4]   2> NOTE: leaving temporary files on disk at: /home/sarowe/svn/lucene/dev/trunk/lucene/build/sandbox/test/J0/temp/lucene.bkdtree.TestBKDTree_27B8B43F33235531-001
   [junit4]   2> NOTE: test params are: codec=Asserting(Lucene53): {}, docValues:{}, sim=RandomSimilarityProvider(queryNorm=true,coord=crazy): {}, locale=en_GB, timezone=Africa/Libreville
   [junit4]   2> NOTE: Linux 4.1.0-custom2-amd64 amd64/Oracle Corporation 1.8.0_45 (64-bit)/cpus=16,threads=1,free=226608384,total=508559360
   [junit4]   2> NOTE: All tests run in this JVM: [TestBKDTree]
   [junit4] Completed [1/1] in 31.63s, 10 tests, 2 errors <<< FAILURES!