[JENKINS] Lucene-trunk - Build # 1860 - Failure

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Build: https://builds.apache.org/job/Lucene-trunk/1860/

2 tests failed.
REGRESSION:  org.apache.lucene.index.TestMixedCodecs.test

Error Message:
this writer hit an OutOfMemoryError; cannot complete forceMerge

Stack Trace:
java.lang.IllegalStateException: this writer hit an OutOfMemoryError; cannot complete forceMerge
	at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1460)
	at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:1407)
	at org.apache.lucene.index.RandomIndexWriter.doRandomForceMerge(RandomIndexWriter.java:361)
	at org.apache.lucene.index.RandomIndexWriter.close(RandomIndexWriter.java:406)
	at org.apache.lucene.index.TestMixedCodecs.test(TestMixedCodecs.java:57)
	at org.apache.lucene.util.LuceneTestCase$SubclassSetupTeardownRule$1.evaluate(LuceneTestCase.java:729)
	at org.apache.lucene.util.LuceneTestCase$InternalSetupTeardownRule$1.evaluate(LuceneTestCase.java:645)
	at org.apache.lucene.util.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:22)
	at org.apache.lucene.util.LuceneTestCase$TestResultInterceptorRule$1.evaluate(LuceneTestCase.java:556)
	at org.apache.lucene.util.UncaughtExceptionsRule$1.evaluate(UncaughtExceptionsRule.java:51)
	at org.apache.lucene.util.LuceneTestCase$RememberThreadRule$1.evaluate(LuceneTestCase.java:618)
	at org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:164)
	at org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:57)
	at org.apache.lucene.util.UncaughtExceptionsRule$1.evaluate(UncaughtExceptionsRule.java:51)
	at org.apache.lucene.util.StoreClassNameRule$1.evaluate(StoreClassNameRule.java:21)
	at org.apache.lucene.util.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:22)


FAILED:  junit.framework.TestSuite.org.apache.lucene.search.TestNumericRangeQuery64

Error Message:
Uncaught exception by thread: Thread[Lucene Merge Thread #1,6,]

Stack Trace:
org.apache.lucene.util.UncaughtExceptionsRule$UncaughtExceptionsInBackgroundThread: Uncaught exception by thread: Thread[Lucene Merge Thread #1,6,]
	at org.apache.lucene.util.UncaughtExceptionsRule$1.evaluate(UncaughtExceptionsRule.java:60)
	at org.apache.lucene.util.StoreClassNameRule$1.evaluate(StoreClassNameRule.java:21)
	at org.apache.lucene.util.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:22)
Caused by: org.apache.lucene.index.MergePolicy$MergeException: java.lang.OutOfMemoryError: Java heap space
	at org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:507)
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:480)
Caused by: java.lang.OutOfMemoryError: Java heap space
	at java.lang.Integer.toString(Integer.java:331)
	at org.apache.lucene.codecs.simpletext.SimpleTextDocValuesConsumer.writeDoc(SimpleTextDocValuesConsumer.java:221)
	at org.apache.lucene.codecs.simpletext.SimpleTextDocValuesConsumer.finish(SimpleTextDocValuesConsumer.java:185)
	at org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:97)
	at org.apache.lucene.codecs.PerDocConsumer.merge(PerDocConsumer.java:60)
	at org.apache.lucene.index.SegmentMerger.mergePerDoc(SegmentMerger.java:379)
	at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:116)
	at org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:3377)
	at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:2999)
	at org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:382)
	at org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:451)




Build Log (for compile errors):
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