I am looking into this

On Mon, Apr 9, 2018 at 12:06 PM, Apache Jenkins Server
<jenk...@builds.apache.org> wrote:
> Build: https://builds.apache.org/job/Lucene-Solr-NightlyTests-7.x/196/
>
> 5 tests failed.
> FAILED:  
> org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy.testSoftDeleteWithRetention
>
> Error Message:
> GC overhead limit exceeded
>
> Stack Trace:
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>         at 
> __randomizedtesting.SeedInfo.seed([248C95A59BE17434:3432A38A78701E91]:0)
>         at java.util.HashMap$KeySet.iterator(HashMap.java:917)
>         at java.util.HashSet.iterator(HashSet.java:173)
>         at 
> org.apache.lucene.index.IndexWriter.maxNumSegmentsMergesPending(IndexWriter.java:2216)
>         at 
> org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:2190)
>         at 
> org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:2119)
>         at 
> org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy.testSoftDeleteWithRetention(TestSoftDeletesRetentionMergePolicy.java:266)
>         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: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)
>
>
> FAILED:  
> junit.framework.TestSuite.org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy
>
> Error Message:
> 2 threads leaked from SUITE scope at 
> org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy:     1) 
> Thread[id=289762, name=Lucene Merge Thread #281215, state=RUNNABLE, 
> group=TGRP-TestSoftDeletesRetentionMergePolicy]         at 
> java.lang.Thread.yield(Native Method)         at 
> org.apache.lucene.store.MockDirectoryWrapper.maybeYield(MockDirectoryWrapper.java:626)
>          at 
> org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:644)
>          at 
> org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>          at 
> org.apache.lucene.index.ConcurrentMergeScheduler$1.createOutput(ConcurrentMergeScheduler.java:288)
>          at 
> org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>          at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.finish(Lucene60PointsWriter.java:243)
>          at 
> org.apache.lucene.codecs.PointsWriter.merge(PointsWriter.java:189)         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:144)
>          at 
> org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:187)     
>     at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:136)    
>      at 
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4483)        
>  at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4144)         
> at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>          at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>
> Stack Trace:
> com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from 
> SUITE scope at org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy:
>    1) Thread[id=289762, name=Lucene Merge Thread #281215, state=RUNNABLE, 
> group=TGRP-TestSoftDeletesRetentionMergePolicy]
>         at java.lang.Thread.yield(Native Method)
>         at 
> org.apache.lucene.store.MockDirectoryWrapper.maybeYield(MockDirectoryWrapper.java:626)
>         at 
> org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:644)
>         at 
> org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$1.createOutput(ConcurrentMergeScheduler.java:288)
>         at 
> org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.finish(Lucene60PointsWriter.java:243)
>         at org.apache.lucene.codecs.PointsWriter.merge(PointsWriter.java:189)
>         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:144)
>         at 
> org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:187)
>         at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:136)
>         at 
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4483)
>         at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4144)
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>         at __randomizedtesting.SeedInfo.seed([248C95A59BE17434]:0)
>
>
> FAILED:  
> org.apache.lucene.search.TestCustomSearcherSort.testFieldSortCustomSearcher
>
> Error Message:
> GC overhead limit exceeded
>
> Stack Trace:
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>         at 
> org.apache.lucene.util.packed.PackedLongValues$Iterator.<init>(PackedLongValues.java:131)
>         at 
> org.apache.lucene.util.packed.PackedLongValues.iterator(PackedLongValues.java:120)
>         at 
> org.apache.lucene.index.SortedDocValuesWriter$BufferedSortedDocValues.<init>(SortedDocValuesWriter.java:194)
>         at 
> org.apache.lucene.index.SortedDocValuesWriter$1.getSorted(SortedDocValuesWriter.java:171)
>         at 
> org.apache.lucene.codecs.lucene70.Lucene70DocValuesConsumer.doAddSortedField(Lucene70DocValuesConsumer.java:413)
>         at 
> org.apache.lucene.codecs.lucene70.Lucene70DocValuesConsumer.addSortedField(Lucene70DocValuesConsumer.java:394)
>         at 
> org.apache.lucene.codecs.asserting.AssertingDocValuesFormat$AssertingDocValuesConsumer.addSortedField(AssertingDocValuesFormat.java:141)
>         at 
> org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedField(PerFieldDocValuesFormat.java:119)
>         at 
> org.apache.lucene.index.SortedDocValuesWriter.flush(SortedDocValuesWriter.java:163)
>         at 
> org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:248)
>         at 
> org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:132)
>         at 
> org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:463)
>         at 
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:556)
>         at 
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:416)
>         at 
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:517)
>         at 
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1776)
>         at 
> org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1468)
>         at 
> org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:185)
>         at 
> org.apache.lucene.search.TestCustomSearcherSort.setUp(TestCustomSearcherSort.java:70)
>         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:1737)
>         at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:968)
>         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)
>
>
> FAILED:  
> org.apache.lucene.search.TestCustomSearcherSort.testFieldSortSingleSearcher
>
> Error Message:
> GC overhead limit exceeded
>
> Stack Trace:
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>         at java.util.Arrays.copyOf(Arrays.java:3332)
>         at 
> java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
>         at 
> java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
>         at java.lang.StringBuilder.append(StringBuilder.java:136)
>         at java.lang.StringBuilder.append(StringBuilder.java:131)
>         at 
> org.apache.lucene.index.IndexWriterConfig.toString(IndexWriterConfig.java:480)
>         at 
> org.apache.lucene.util.LuceneTestCase.maybeChangeLiveIndexWriterConfig(LuceneTestCase.java:1157)
>         at 
> org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:148)
>         at 
> org.apache.lucene.search.TestCustomSearcherSort.setUp(TestCustomSearcherSort.java:70)
>         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:1737)
>         at 
> com.carrotsearch.randomizedtesting.RandomizedRunner$9.evaluate(RandomizedRunner.java:968)
>         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$1.evaluate(TestRuleStoreClassName.java:41)
>
>
> FAILED:  
> junit.framework.TestSuite.org.apache.lucene.search.TestCustomSearcherSort
>
> Error Message:
> Captured an uncaught exception in thread: Thread[id=289802, name=Lucene Merge 
> Thread #281253, state=RUNNABLE, 
> group=TGRP-TestSoftDeletesRetentionMergePolicy]
>
> Stack Trace:
> com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an 
> uncaught exception in thread: Thread[id=289802, name=Lucene Merge Thread 
> #281253, state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]
>         at __randomizedtesting.SeedInfo.seed([248C95A59BE17434]:0)
> Caused by: org.apache.lucene.index.MergePolicy$MergeException: 
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:704)
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:684)
>         Suppressed: java.lang.IllegalStateException: No context information 
> for thread: Thread[id=289802, name=Lucene Merge Thread #281253, 
> state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]. Is this 
> thread running under a class 
> com.carrotsearch.randomizedtesting.RandomizedRunner runner context? Add 
> @RunWith(class com.carrotsearch.randomizedtesting.RandomizedRunner.class) to 
> your test class. Make sure your code accesses random contexts within 
> @BeforeClass and @AfterClass boundary (for example, static test class 
> initializers are not permitted to access random contexts).
>                 at 
> com.carrotsearch.randomizedtesting.RandomizedContext.context(RandomizedContext.java:248)
>                 at 
> com.carrotsearch.randomizedtesting.RandomizedContext.current(RandomizedContext.java:134)
>                 at 
> com.carrotsearch.randomizedtesting.RandomizedRunner.augmentStackTrace(RandomizedRunner.java:1872)
>                 at 
> com.carrotsearch.randomizedtesting.RunnerThreadGroup.uncaughtException(RunnerThreadGroup.java:20)
>                 at 
> java.lang.Thread.dispatchUncaughtException(Thread.java:1959)
> Caused by: java.lang.OutOfMemoryError: GC overhead limit exceeded
>         at 
> org.apache.lucene.index.BufferedUpdatesStream.waitApplyForMerge(BufferedUpdatesStream.java:202)
>         at 
> org.apache.lucene.index.IndexWriter.mergeInit(IndexWriter.java:4282)
>         at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4138)
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>
>
>
>
> Build Log:
> [...truncated 1880 lines...]
>    [junit4] Suite: org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy
>    [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=TestSoftDeletesRetentionMergePolicy 
> -Dtests.method=testSoftDeleteWithRetention -Dtests.seed=248C95A59BE17434 
> -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true 
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/test-data/enwiki.random.lines.txt
>  -Dtests.locale=sr-Latn -Dtests.timezone=Etc/GMT-0 -Dtests.asserts=true 
> -Dtests.file.encoding=ISO-8859-1
>    [junit4] ERROR   3948s J1 | 
> TestSoftDeletesRetentionMergePolicy.testSoftDeleteWithRetention <<<
>    [junit4]    > Throwable #1: java.lang.OutOfMemoryError: GC overhead limit 
> exceeded
>    [junit4]    >        at 
> __randomizedtesting.SeedInfo.seed([248C95A59BE17434:3432A38A78701E91]:0)
>    [junit4]    >        at java.util.HashMap$KeySet.iterator(HashMap.java:917)
>    [junit4]    >        at java.util.HashSet.iterator(HashSet.java:173)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.maxNumSegmentsMergesPending(IndexWriter.java:2216)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:2190)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:2119)
>    [junit4]    >        at 
> org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy.testSoftDeleteWithRetention(TestSoftDeletesRetentionMergePolicy.java:266)
>    [junit4]   2> NOTE: leaving temporary files on disk at: 
> /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/checkout/lucene/build/core/test/J1/temp/lucene.index.TestSoftDeletesRetentionMergePolicy_248C95A59BE17434-001
>    [junit4]   2> Apr 09, 2018 7:11:50 AM 
> com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
>    [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked 
> thread(s).
>    [junit4]   2> Apr 09, 2018 7:12:11 AM 
> com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
>    [junit4]   2> SEVERE: 2 threads leaked from SUITE scope at 
> org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy:
>    [junit4]   2>    1) Thread[id=289762, name=Lucene Merge Thread #281215, 
> state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]
>    [junit4]   2>         at java.lang.Thread.yield(Native Method)
>    [junit4]   2>         at 
> org.apache.lucene.store.MockDirectoryWrapper.maybeYield(MockDirectoryWrapper.java:626)
>    [junit4]   2>         at 
> org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:644)
>    [junit4]   2>         at 
> org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]   2>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$1.createOutput(ConcurrentMergeScheduler.java:288)
>    [junit4]   2>         at 
> org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]   2>         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.finish(Lucene60PointsWriter.java:243)
>    [junit4]   2>         at 
> org.apache.lucene.codecs.PointsWriter.merge(PointsWriter.java:189)
>    [junit4]   2>         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:144)
>    [junit4]   2>         at 
> org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:187)
>    [junit4]   2>         at 
> org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:136)
>    [junit4]   2>         at 
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4483)
>    [junit4]   2>         at 
> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4144)
>    [junit4]   2>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>    [junit4]   2>         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>    [junit4]   2> Apr 09, 2018 7:12:12 AM 
> com.carrotsearch.randomizedtesting.ThreadLeakControl tryToInterruptAll
>    [junit4]   2> INFO: Starting to interrupt leaked threads:
>    [junit4]   2>    1) Thread[id=289762, name=Lucene Merge Thread #281215, 
> state=TERMINATED, group={null group}]
>    [junit4]   2> Apr 09, 2018 7:12:12 AM 
> com.carrotsearch.randomizedtesting.ThreadLeakControl tryToInterruptAll
>    [junit4]   2> INFO: All leaked threads terminated.
>    [junit4]   2> NOTE: test params are: 
> codec=FastCompressingStoredFields(storedFieldsFormat=CompressingStoredFieldsFormat(compressionMode=FAST,
>  chunkSize=3, maxDocsPerChunk=139, blockSize=342), 
> termVectorsFormat=CompressingTermVectorsFormat(compressionMode=FAST, 
> chunkSize=3, blockSize=342)), sim=RandomSimilarity(queryNorm=false): {}, 
> locale=sr-Latn, timezone=Etc/GMT-0
>    [junit4]   2> NOTE: Linux 3.13.0-88-generic amd64/Oracle Corporation 
> 1.8.0_152 (64-bit)/cpus=4,threads=2,free=1315128,total=536346624
>    [junit4]   2> NOTE: All tests run in this JVM: [TestPriorityQueue, 
> TestCheckIndex, TestCustomNorms, TestFilterLeafReader, 
> TestDoubleRangeFieldQueries, TestExternalCodecs, TestComplexExplanations, 
> TestIndexWriterFromReader, TestMinimize, TestTermVectorsReader, 
> TestAllFilesHaveChecksumFooter, TestRAMDirectory, TestIndexWriterUnicode, 
> TestSimpleAttributeImpl, TestSpanFirstQuery, TestTimeLimitingCollector, 
> TestForTooMuchCloning, Test2BTerms, Test2BPostings, TestByteSlices, 
> TestClassicSimilarity, TestToken, TestQueryRescorer, TestFileSwitchDirectory, 
> TestLucene70DocValuesFormat, TestWeakIdentityMap, 
> TestLucene50StoredFieldsFormat, TestLongValuesSource, 
> TestAutomatonQueryUnicode, TestRollback, TestDemo, 
> TestDemoParallelLeafReader, TestIndexFileDeleter, 
> TestLucene60FieldInfoFormat, TestSpanCollection, TestPolygon2D, 
> TestDeterminism, TestBooleanRewrites, TestRecyclingIntBlockAllocator, 
> TestGeoEncodingUtils, TestIntroSorter, TestWildcard, 
> TestIndexWriterOutOfFileDescriptors, TestFSTs, TestSpanNotQuery, TestRegExp, 
> TestBooleanQuery, TestMultiTermConstantScore, TestFieldReuse, 
> TestRecyclingByteBlockAllocator, TestMutableValues, 
> TestFrequencyTrackingRingBuffer, TestTerms, TestExceedMaxTermLength, 
> TestIndexWriterDelete, TestSizeBoundedForceMerge, TestDocIdSetBuilder, 
> Test2BPostingsBytes, Test2BPagedBytes, TestNativeFSLockFactory, 
> TestEarlyTermination, LimitedFiniteStringsIteratorTest, TestMSBRadixSorter, 
> Test2BDocs, TestNGramPhraseQuery, TestDirectory, TestDocIdsWriter, 
> TestFloatRangeFieldQueries, TestTransactionRollback, TestPendingDeletes, 
> TestControlledRealTimeReopenThread, TestNumericDocValuesUpdates, 
> TestPerFieldDocValuesFormat, TestSoftDeletesRetentionMergePolicy]
>    [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=TestSoftDeletesRetentionMergePolicy -Dtests.seed=248C95A59BE17434 
> -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true 
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/test-data/enwiki.random.lines.txt
>  -Dtests.locale=sr-Latn -Dtests.timezone=Etc/GMT-0 -Dtests.asserts=true 
> -Dtests.file.encoding=ISO-8859-1
>    [junit4] ERROR   0.00s J1 | TestSoftDeletesRetentionMergePolicy (suite) <<<
>    [junit4]    > Throwable #1: 
> com.carrotsearch.randomizedtesting.ThreadLeakError: 2 threads leaked from 
> SUITE scope at org.apache.lucene.index.TestSoftDeletesRetentionMergePolicy:
>    [junit4]    >    1) Thread[id=289762, name=Lucene Merge Thread #281215, 
> state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]
>    [junit4]    >         at java.lang.Thread.yield(Native Method)
>    [junit4]    >         at 
> org.apache.lucene.store.MockDirectoryWrapper.maybeYield(MockDirectoryWrapper.java:626)
>    [junit4]    >         at 
> org.apache.lucene.store.MockDirectoryWrapper.createOutput(MockDirectoryWrapper.java:644)
>    [junit4]    >         at 
> org.apache.lucene.store.LockValidatingDirectoryWrapper.createOutput(LockValidatingDirectoryWrapper.java:44)
>    [junit4]    >         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$1.createOutput(ConcurrentMergeScheduler.java:288)
>    [junit4]    >         at 
> org.apache.lucene.store.TrackingDirectoryWrapper.createOutput(TrackingDirectoryWrapper.java:43)
>    [junit4]    >         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.finish(Lucene60PointsWriter.java:243)
>    [junit4]    >         at 
> org.apache.lucene.codecs.PointsWriter.merge(PointsWriter.java:189)
>    [junit4]    >         at 
> org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:144)
>    [junit4]    >         at 
> org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:187)
>    [junit4]    >         at 
> org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:136)
>    [junit4]    >         at 
> org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4483)
>    [junit4]    >         at 
> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4144)
>    [junit4]    >         at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>    [junit4]    >         at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>    [junit4]    >        at 
> __randomizedtesting.SeedInfo.seed([248C95A59BE17434]:0)
>    [junit4] Completed [466/470 (1!)] on J1 in 3970.86s, 4 tests, 2 errors <<< 
> FAILURES!
>
> [...truncated 1 lines...]
>    [junit4] Suite: org.apache.lucene.search.TestCustomSearcherSort
>    [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=TestCustomSearcherSort -Dtests.method=testFieldSortCustomSearcher 
> -Dtests.seed=248C95A59BE17434 -Dtests.multiplier=2 -Dtests.nightly=true 
> -Dtests.slow=true 
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/test-data/enwiki.random.lines.txt
>  -Dtests.locale=sr-CS -Dtests.timezone=Asia/Thimphu -Dtests.asserts=true 
> -Dtests.file.encoding=ISO-8859-1
>    [junit4] ERROR   5.35s J1 | 
> TestCustomSearcherSort.testFieldSortCustomSearcher <<<
>    [junit4]    > Throwable #1: java.lang.OutOfMemoryError: GC overhead limit 
> exceeded
>    [junit4]    >        at 
> org.apache.lucene.util.packed.PackedLongValues$Iterator.<init>(PackedLongValues.java:131)
>    [junit4]    >        at 
> org.apache.lucene.util.packed.PackedLongValues.iterator(PackedLongValues.java:120)
>    [junit4]    >        at 
> org.apache.lucene.index.SortedDocValuesWriter$BufferedSortedDocValues.<init>(SortedDocValuesWriter.java:194)
>    [junit4]    >        at 
> org.apache.lucene.index.SortedDocValuesWriter$1.getSorted(SortedDocValuesWriter.java:171)
>    [junit4]    >        at 
> org.apache.lucene.codecs.lucene70.Lucene70DocValuesConsumer.doAddSortedField(Lucene70DocValuesConsumer.java:413)
>    [junit4]    >        at 
> org.apache.lucene.codecs.lucene70.Lucene70DocValuesConsumer.addSortedField(Lucene70DocValuesConsumer.java:394)
>    [junit4]    >        at 
> org.apache.lucene.codecs.asserting.AssertingDocValuesFormat$AssertingDocValuesConsumer.addSortedField(AssertingDocValuesFormat.java:141)
>    [junit4]    >        at 
> org.apache.lucene.codecs.perfield.PerFieldDocValuesFormat$FieldsWriter.addSortedField(PerFieldDocValuesFormat.java:119)
>    [junit4]    >        at 
> org.apache.lucene.index.SortedDocValuesWriter.flush(SortedDocValuesWriter.java:163)
>    [junit4]    >        at 
> org.apache.lucene.index.DefaultIndexingChain.writeDocValues(DefaultIndexingChain.java:248)
>    [junit4]    >        at 
> org.apache.lucene.index.DefaultIndexingChain.flush(DefaultIndexingChain.java:132)
>    [junit4]    >        at 
> org.apache.lucene.index.DocumentsWriterPerThread.flush(DocumentsWriterPerThread.java:463)
>    [junit4]    >        at 
> org.apache.lucene.index.DocumentsWriter.doFlush(DocumentsWriter.java:556)
>    [junit4]    >        at 
> org.apache.lucene.index.DocumentsWriter.postUpdate(DocumentsWriter.java:416)
>    [junit4]    >        at 
> org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:517)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1776)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1468)
>    [junit4]    >        at 
> org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:185)
>    [junit4]    >        at 
> org.apache.lucene.search.TestCustomSearcherSort.setUp(TestCustomSearcherSort.java:70)Throwable
>  #2: java.lang.NullPointerException
>    [junit4]    >        at 
> org.apache.lucene.search.TestCustomSearcherSort.tearDown(TestCustomSearcherSort.java:79)
>    [junit4]    >        at java.lang.Thread.run(Thread.java:748)
>    [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=TestCustomSearcherSort -Dtests.method=testFieldSortSingleSearcher 
> -Dtests.seed=248C95A59BE17434 -Dtests.multiplier=2 -Dtests.nightly=true 
> -Dtests.slow=true 
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/test-data/enwiki.random.lines.txt
>  -Dtests.locale=sr-CS -Dtests.timezone=Asia/Thimphu -Dtests.asserts=true 
> -Dtests.file.encoding=ISO-8859-1
>    [junit4] ERROR   4.00s J1 | 
> TestCustomSearcherSort.testFieldSortSingleSearcher <<<
>    [junit4]    > Throwable #1: java.lang.OutOfMemoryError: GC overhead limit 
> exceeded
>    [junit4]    >        at java.util.Arrays.copyOf(Arrays.java:3332)
>    [junit4]    >        at 
> java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
>    [junit4]    >        at 
> java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:448)
>    [junit4]    >        at 
> java.lang.StringBuilder.append(StringBuilder.java:136)
>    [junit4]    >        at 
> java.lang.StringBuilder.append(StringBuilder.java:131)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriterConfig.toString(IndexWriterConfig.java:480)
>    [junit4]    >        at 
> org.apache.lucene.util.LuceneTestCase.maybeChangeLiveIndexWriterConfig(LuceneTestCase.java:1157)
>    [junit4]    >        at 
> org.apache.lucene.index.RandomIndexWriter.addDocument(RandomIndexWriter.java:148)
>    [junit4]    >        at 
> org.apache.lucene.search.TestCustomSearcherSort.setUp(TestCustomSearcherSort.java:70)Throwable
>  #2: java.lang.NullPointerException
>    [junit4]    >        at 
> org.apache.lucene.search.TestCustomSearcherSort.tearDown(TestCustomSearcherSort.java:79)
>    [junit4]    >        at java.lang.Thread.run(Thread.java:748)
>    [junit4]   2> NOTE: leaving temporary files on disk at: 
> /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/checkout/lucene/build/core/test/J1/temp/lucene.search.TestCustomSearcherSort_248C95A59BE17434-001
>    [junit4]   2> Apr 09, 2018 7:12:30 AM 
> com.carrotsearch.randomizedtesting.ThreadLeakControl checkThreadLeaks
>    [junit4]   2> WARNING: Will linger awaiting termination of 1 leaked 
> thread(s).
>    [junit4]   2> Apr 09, 2018 7:12:34 AM 
> com.carrotsearch.randomizedtesting.RandomizedRunner$QueueUncaughtExceptionsHandler
>  uncaughtException
>    [junit4]   2> WARNING: Uncaught exception in thread: Thread[Lucene Merge 
> Thread #281253,5,TGRP-TestSoftDeletesRetentionMergePolicy]
>    [junit4]   2> org.apache.lucene.index.MergePolicy$MergeException: 
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>    [junit4]   2>        at 
> org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:704)
>    [junit4]   2>        at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:684)
>    [junit4]   2>        Suppressed: java.lang.IllegalStateException: No 
> context information for thread: Thread[id=289802, name=Lucene Merge Thread 
> #281253, state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]. Is 
> this thread running under a class 
> com.carrotsearch.randomizedtesting.RandomizedRunner runner context? Add 
> @RunWith(class com.carrotsearch.randomizedtesting.RandomizedRunner.class) to 
> your test class. Make sure your code accesses random contexts within 
> @BeforeClass and @AfterClass boundary (for example, static test class 
> initializers are not permitted to access random contexts).
>    [junit4]   2>                at 
> com.carrotsearch.randomizedtesting.RandomizedContext.context(RandomizedContext.java:248)
>    [junit4]   2>                at 
> com.carrotsearch.randomizedtesting.RandomizedContext.current(RandomizedContext.java:134)
>    [junit4]   2>                at 
> com.carrotsearch.randomizedtesting.RandomizedRunner.augmentStackTrace(RandomizedRunner.java:1872)
>    [junit4]   2>                at 
> com.carrotsearch.randomizedtesting.RunnerThreadGroup.uncaughtException(RunnerThreadGroup.java:20)
>    [junit4]   2>                at 
> java.lang.Thread.dispatchUncaughtException(Thread.java:1959)
>    [junit4]   2> Caused by: java.lang.OutOfMemoryError: GC overhead limit 
> exceeded
>    [junit4]   2>        at 
> org.apache.lucene.index.BufferedUpdatesStream.waitApplyForMerge(BufferedUpdatesStream.java:202)
>    [junit4]   2>        at 
> org.apache.lucene.index.IndexWriter.mergeInit(IndexWriter.java:4282)
>    [junit4]   2>        at 
> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4138)
>    [junit4]   2>        at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>    [junit4]   2>        at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>    [junit4]   2>
>    [junit4]   2> NOTE: test params are: codec=Asserting(Lucene70): {}, 
> docValues:{publicationDate_=DocValuesFormat(name=Asserting)}, 
> maxPointsInLeafNode=1664, maxMBSortInHeap=7.714473367744617, 
> sim=RandomSimilarity(queryNorm=true): {content=IB SPL-LZ(0.3)}, locale=sr-CS, 
> timezone=Asia/Thimphu
>    [junit4]   2> NOTE: Linux 3.13.0-88-generic amd64/Oracle Corporation 
> 1.8.0_152 (64-bit)/cpus=4,threads=1,free=1254800,total=536346624
>    [junit4]   2> NOTE: All tests run in this JVM: [TestPriorityQueue, 
> TestCheckIndex, TestCustomNorms, TestFilterLeafReader, 
> TestDoubleRangeFieldQueries, TestExternalCodecs, TestComplexExplanations, 
> TestIndexWriterFromReader, TestMinimize, TestTermVectorsReader, 
> TestAllFilesHaveChecksumFooter, TestRAMDirectory, TestIndexWriterUnicode, 
> TestSimpleAttributeImpl, TestSpanFirstQuery, TestTimeLimitingCollector, 
> TestForTooMuchCloning, Test2BTerms, Test2BPostings, TestByteSlices, 
> TestClassicSimilarity, TestToken, TestQueryRescorer, TestFileSwitchDirectory, 
> TestLucene70DocValuesFormat, TestWeakIdentityMap, 
> TestLucene50StoredFieldsFormat, TestLongValuesSource, 
> TestAutomatonQueryUnicode, TestRollback, TestDemo, 
> TestDemoParallelLeafReader, TestIndexFileDeleter, 
> TestLucene60FieldInfoFormat, TestSpanCollection, TestPolygon2D, 
> TestDeterminism, TestBooleanRewrites, TestRecyclingIntBlockAllocator, 
> TestGeoEncodingUtils, TestIntroSorter, TestWildcard, 
> TestIndexWriterOutOfFileDescriptors, TestFSTs, TestSpanNotQuery, TestRegExp, 
> TestBooleanQuery, TestMultiTermConstantScore, TestFieldReuse, 
> TestRecyclingByteBlockAllocator, TestMutableValues, 
> TestFrequencyTrackingRingBuffer, TestTerms, TestExceedMaxTermLength, 
> TestIndexWriterDelete, TestSizeBoundedForceMerge, TestDocIdSetBuilder, 
> Test2BPostingsBytes, Test2BPagedBytes, TestNativeFSLockFactory, 
> TestEarlyTermination, LimitedFiniteStringsIteratorTest, TestMSBRadixSorter, 
> Test2BDocs, TestNGramPhraseQuery, TestDirectory, TestDocIdsWriter, 
> TestFloatRangeFieldQueries, TestTransactionRollback, TestPendingDeletes, 
> TestControlledRealTimeReopenThread, TestNumericDocValuesUpdates, 
> TestPerFieldDocValuesFormat, TestSoftDeletesRetentionMergePolicy, 
> TestCustomSearcherSort]
>    [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=TestCustomSearcherSort -Dtests.seed=248C95A59BE17434 
> -Dtests.multiplier=2 -Dtests.nightly=true -Dtests.slow=true 
> -Dtests.linedocsfile=/home/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/test-data/enwiki.random.lines.txt
>  -Dtests.locale=sr-CS -Dtests.timezone=Asia/Thimphu -Dtests.asserts=true 
> -Dtests.file.encoding=ISO-8859-1
>    [junit4] ERROR   0.00s J1 | TestCustomSearcherSort (suite) <<<
>    [junit4]    > Throwable #1: 
> com.carrotsearch.randomizedtesting.UncaughtExceptionError: Captured an 
> uncaught exception in thread: Thread[id=289802, name=Lucene Merge Thread 
> #281253, state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]
>    [junit4]    >        at 
> __randomizedtesting.SeedInfo.seed([248C95A59BE17434]:0)
>    [junit4]    > Caused by: 
> org.apache.lucene.index.MergePolicy$MergeException: 
> java.lang.OutOfMemoryError: GC overhead limit exceeded
>    [junit4]    >        at 
> org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:704)
>    [junit4]    >        at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:684)
>    [junit4]    >        Suppressed: java.lang.IllegalStateException: No 
> context information for thread: Thread[id=289802, name=Lucene Merge Thread 
> #281253, state=RUNNABLE, group=TGRP-TestSoftDeletesRetentionMergePolicy]. Is 
> this thread running under a class 
> com.carrotsearch.randomizedtesting.RandomizedRunner runner context? Add 
> @RunWith(class com.carrotsearch.randomizedtesting.RandomizedRunner.class) to 
> your test class. Make sure your code accesses random contexts within 
> @BeforeClass and @AfterClass boundary (for example, static test class 
> initializers are not permitted to access random contexts).
>    [junit4]    >                at 
> com.carrotsearch.randomizedtesting.RandomizedContext.context(RandomizedContext.java:248)
>    [junit4]    >                at 
> com.carrotsearch.randomizedtesting.RandomizedContext.current(RandomizedContext.java:134)
>    [junit4]    >                at 
> com.carrotsearch.randomizedtesting.RunnerThreadGroup.uncaughtException(RunnerThreadGroup.java:20)
>    [junit4]    >                at 
> java.lang.Thread.dispatchUncaughtException(Thread.java:1959)
>    [junit4]    > Caused by: java.lang.OutOfMemoryError: GC overhead limit 
> exceeded
>    [junit4]    >        at 
> org.apache.lucene.index.BufferedUpdatesStream.waitApplyForMerge(BufferedUpdatesStream.java:202)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.mergeInit(IndexWriter.java:4282)
>    [junit4]    >        at 
> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:4138)
>    [junit4]    >        at 
> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:625)
>    [junit4]    >        at 
> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:662)
>    [junit4] Completed [467/470 (2!)] on J1 in 18.88s, 2 tests, 3 errors <<< 
> FAILURES!
>
> [...truncated 10 lines...]
>    [junit4] JVM J1: stdout was not empty, see: 
> /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/checkout/lucene/build/core/test/temp/junit4-J1-20180409_052828_757440584628941507603.sysout
>    [junit4] >>> JVM J1 emitted unexpected output (verbatim) ----
>    [junit4] java.lang.OutOfMemoryError: GC overhead limit exceeded
>    [junit4] Dumping heap to 
> /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/checkout/heapdumps/java_pid17525.hprof
>  ...
>    [junit4] Heap dump file created [803738033 bytes in 4.637 secs]
>    [junit4] <<< JVM J1: EOF ----
>
> [...truncated 22795 lines...]
> BUILD FAILED
> /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/checkout/build.xml:651:
>  The following error occurred while executing this line:
> /x1/jenkins/jenkins-slave/workspace/Lucene-Solr-NightlyTests-7.x/checkout/build.xml:585:
>  Some of the tests produced a heap dump, but did not fail. Maybe a suppressed 
> OutOfMemoryError? Dumps created:
> * java_pid17525.hprof
>
> Total time: 278 minutes 11 seconds
> Build step 'Invoke Ant' marked build as failure
> Archiving artifacts
> Recording test results
> Email was triggered for: Failure - Any
> Sending email for trigger: Failure - Any
>
>
> ---------------------------------------------------------------------
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