Yeah sorry you have to have <= 2 (maybe 4) cores in your machine to
reproduce this!  (Because ConcurrentMergeScheduler sets default
maxMergeCount/Threads based on this).

I backported the fix ...

Mike McCandless

http://blog.mikemccandless.com

On Mon, Nov 12, 2012 at 11:23 PM, Robert Muir <rcm...@gmail.com> wrote:
> I can't reproduce this, but I think the fix is to just merge mike's
> test fix (r1408251) ?
>
> On Mon, Nov 12, 2012 at 11:17 PM, Policeman Jenkins Server
> <jenk...@sd-datasolutions.de> wrote:
>> Build: http://jenkins.sd-datasolutions.de/job/Lucene-Solr-4.x-Windows/1582/
>> Java: 32bit/jdk1.7.0_09 -client -XX:+UseParallelGC
>>
>> 1 tests failed.
>> REGRESSION:  
>> org.apache.lucene.index.TestConcurrentMergeScheduler.testMaxMergeCount
>>
>> Error Message:
>> count should be <= maxMergeCount (= 3)
>>
>> Stack Trace:
>> java.lang.IllegalArgumentException: count should be <= maxMergeCount (= 3)
>>         at 
>> __randomizedtesting.SeedInfo.seed([F94951BDB9CDA2D0:2E2EC00E050C3D56]:0)
>>         at 
>> org.apache.lucene.index.ConcurrentMergeScheduler.setMaxThreadCount(ConcurrentMergeScheduler.java:90)
>>         at 
>> org.apache.lucene.index.TestConcurrentMergeScheduler.testMaxMergeCount(TestConcurrentMergeScheduler.java:303)
>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>         at 
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>>         at 
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>         at java.lang.reflect.Method.invoke(Method.java:601)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1559)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner.access$600(RandomizedRunner.java:79)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:737)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:773)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:787)
>>         at 
>> org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
>>         at 
>> org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:51)
>>         at 
>> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>>         at 
>> org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
>>         at 
>> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:70)
>>         at 
>> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>>         at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:358)
>>         at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:782)
>>         at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:442)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:746)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:648)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:682)
>>         at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:693)
>>         at 
>> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>>         at 
>> org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>>         at 
>> org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:43)
>>         at 
>> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>>         at 
>> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:70)
>>         at 
>> org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
>>         at 
>> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>>         at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:358)
>>         at java.lang.Thread.run(Thread.java:722)
>>
>>
>>
>>
>> Build Log:
>> [...truncated 846 lines...]
>> [junit4:junit4] Suite: org.apache.lucene.index.TestConcurrentMergeScheduler
>> [junit4:junit4]   2> NOTE: reproduce with: ant test  
>> -Dtestcase=TestConcurrentMergeScheduler -Dtests.method=testMaxMergeCount 
>> -Dtests.seed=F94951BDB9CDA2D0 -Dtests.slow=true -Dtests.locale=vi 
>> -Dtests.timezone=Europe/Malta -Dtests.file.encoding=UTF-8
>> [junit4:junit4] ERROR   0.01s | 
>> TestConcurrentMergeScheduler.testMaxMergeCount <<<
>> [junit4:junit4]    > Throwable #1: java.lang.IllegalArgumentException: count 
>> should be <= maxMergeCount (= 3)
>> [junit4:junit4]    >    at 
>> __randomizedtesting.SeedInfo.seed([F94951BDB9CDA2D0:2E2EC00E050C3D56]:0)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.index.ConcurrentMergeScheduler.setMaxThreadCount(ConcurrentMergeScheduler.java:90)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.index.TestConcurrentMergeScheduler.testMaxMergeCount(TestConcurrentMergeScheduler.java:303)
>> [junit4:junit4]    >    at 
>> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>> [junit4:junit4]    >    at 
>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>> [junit4:junit4]    >    at 
>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>> [junit4:junit4]    >    at java.lang.reflect.Method.invoke(Method.java:601)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1559)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner.access$600(RandomizedRunner.java:79)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$6.evaluate(RandomizedRunner.java:737)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$7.evaluate(RandomizedRunner.java:773)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$8.evaluate(RandomizedRunner.java:787)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleSetupTeardownChained$1.evaluate(TestRuleSetupTeardownChained.java:50)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleFieldCacheSanity$1.evaluate(TestRuleFieldCacheSanity.java:51)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleThreadAndTestName$1.evaluate(TestRuleThreadAndTestName.java:48)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:70)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:358)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl.forkTimeoutingTask(ThreadLeakControl.java:782)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl$3.evaluate(ThreadLeakControl.java:442)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner.runSingleTest(RandomizedRunner.java:746)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$3.evaluate(RandomizedRunner.java:648)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$4.evaluate(RandomizedRunner.java:682)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.RandomizedRunner$5.evaluate(RandomizedRunner.java:693)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.AbstractBeforeAfterRule$1.evaluate(AbstractBeforeAfterRule.java:45)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleStoreClassName$1.evaluate(TestRuleStoreClassName.java:42)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:55)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.NoShadowingOrOverridesOnMethodsRule$1.evaluate(NoShadowingOrOverridesOnMethodsRule.java:39)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleAssertionsRequired$1.evaluate(TestRuleAssertionsRequired.java:43)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleMarkFailure$1.evaluate(TestRuleMarkFailure.java:48)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleIgnoreAfterMaxFailures$1.evaluate(TestRuleIgnoreAfterMaxFailures.java:70)
>> [junit4:junit4]    >    at 
>> org.apache.lucene.util.TestRuleIgnoreTestSuites$1.evaluate(TestRuleIgnoreTestSuites.java:55)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.rules.StatementAdapter.evaluate(StatementAdapter.java:36)
>> [junit4:junit4]    >    at 
>> com.carrotsearch.randomizedtesting.ThreadLeakControl$StatementRunner.run(ThreadLeakControl.java:358)
>> [junit4:junit4]    >    at java.lang.Thread.run(Thread.java:722)
>> [junit4:junit4]   2> NOTE: test params are: codec=Lucene41: 
>> {content=PostingsFormat(name=NestedPulsing), 
>> id=MockVariableIntBlock(baseBlockSize=17)}, sim=DefaultSimilarity, 
>> locale=vi, timezone=Europe/Malta
>> [junit4:junit4]   2> NOTE: Windows 7 6.1 x86/Oracle Corporation 1.7.0_09 
>> (32-bit)/cpus=2,threads=1,free=48417344,total=314179584
>> [junit4:junit4]   2> NOTE: All tests run in this JVM: 
>> [TestMultiTermConstantScore, TestLucene40PostingsFormat, TestRollback, 
>> TestNRTManager, TestDocValuesTypeCompatibility, TestByteBlockPool, 
>> TestIndexWriterNRTIsCurrent, TestNorms, TestSimilarityProvider, 
>> TestDocumentWriter, TestWindowsMMap, TestScorerPerf, TestLock, 
>> TestCachingWrapperFilter, TestIndexWriterExceptions, TestCompiledAutomaton, 
>> TestMultiTermQueryRewrites, TestTieredMergePolicy, TestFuzzyQuery, 
>> TestWildcardRandom, TestDoc, TestFilteredSearch, TestReaderClosed, 
>> TestTopDocsMerge, TestPhraseQuery, Nested, TestBagOfPositions, TestBoolean2, 
>> TestComplexExplanations, TestArrayUtil, TestDocBoost, TestIndexableField, 
>> TestIndexWriter, TestQueryWrapperFilter, TestFieldCacheRewriteMethod, 
>> TestDemo, TestDeletionPolicy, TestSumDocFreq, TestBytesRefHash, 
>> TestSpanFirstQuery, TestSentinelIntSet, TestExternalCodecs, 
>> TestBooleanScorer, TestFieldsReader, TestIndexWriterCommit, 
>> TestNumericRangeQuery64, TestBooleanQuery, TestBackwardsCompatibility3x, 
>> TestFileSwitchDirectory, TestSimilarityBase, TestCodecs, 
>> TestParallelAtomicReader, TestLevenshteinAutomata, 
>> TestRamUsageEstimatorOnWildAnimals, TestSameTokenSamePosition, 
>> TestSpanExplanationsOfNonMatches, TestTermRangeFilter, TestPackedInts, 
>> TestCloseableThreadLocal, TestBasicOperations, TestOmitPositions, 
>> TestSpanSearchEquivalence, TestCrash, TestBinaryDocument, 
>> TestLookaheadTokenFilter, TestAttributeSource, TestTermScorer, TestBitUtil, 
>> TestPriorityQueue, TestIntsRef, TestTopDocsCollector, 
>> TestThreadedForceMerge, TestCrashCausesCorruptIndex, TestPhrasePrefixQuery, 
>> TestStressIndexing2, TestLucene40PostingsReader, TestDirectoryReaderReopen, 
>> TestFilterAtomicReader, Before3, Before3, TestBufferedIndexInput, 
>> TestDocument, Test2BPostingsBytes, TestNumericUtils, TestSimilarity, 
>> TestDuelingCodecs, TestIdentityHashSet, TestMultiPhraseQuery, 
>> TestTypePromotion, TestStressNRT, Test2BDocs, TestDeterminizeLexicon, 
>> TestDocCount, TestMockCharFilter, TestOpenBitSet, TestWeakIdentityMap, 
>> TestCheckIndex, TestTermVectorsReader, TestDisjunctionMaxQuery, 
>> TestPayloadExplanations, TestDateTools, TestNRTReaderWithThreads, 
>> TestPrefixRandom, TestMockAnalyzer, Nested1, TestVersionComparator, 
>> TestMultiMMap, TestIsCurrent, TestPrefixFilter, TestParallelTermEnum, 
>> TestIndexWriterConfig, TestExplanations, TestFieldCacheTermsFilter, 
>> TestNeverDelete, TestIndexWriterReader, TestTerm, TestSubScorerFreqs, 
>> TestCollectionUtil, TestIndexableBinaryStringTools, TestAssertions, 
>> TestPositionIncrement, TestNGramPhraseQuery, TestTwoPhaseCommitTool, 
>> TestSetOnce, TestStressIndexing, Test4GBStoredFields, TestPayloads, 
>> TestCachingCollector, TestStressAdvance, TestRecyclingIntBlockAllocator, 
>> TestBytesRef, Nested2, Nested1, Nested3, TestPrefixInBooleanQuery, 
>> TestTermsEnum2, TestRandomStoredFields, TestDocValues, Nested, 
>> TestMatchAllDocsQuery, TestSearch, TestIndexWriterForceMerge, TestDirectory, 
>> InTestMethod, InBeforeClass, InAfterClass, NonStringProperties, TestNot, 
>> TestMockDirectoryWrapper, TestDocTermOrds, TestFieldCacheSanityChecker, 
>> TestBagOfPostings, TestRamUsageEstimator, TestUnicodeUtil, 
>> TestNumericTokenStream, Test2BPostings, TestUTF32ToUTF8, 
>> TestIndexWriterOnDiskFull, TestElevationComparator, 
>> TestPerFieldPostingsFormat, TestDateSort, TestSizeBoundedForceMerge, 
>> TestFieldCacheRangeFilter, TestHugeRamFile, TestIndexFileDeleter, 
>> TestIndexWriterUnicode, TestTransactionRollback, Test2BTerms, 
>> TestRecyclingByteBlockAllocator, TestIndexWriterWithThreads, TestFSTs, 
>> TestGraphTokenizers, TestShardSearching, TestSearcherManager, 
>> TestNumericRangeQuery32, TestNRTThreads, TestBasics, TestByteSlices, 
>> TestAddIndexes, TestAtomicUpdate, TestTermsEnum, TestIndexWriterMerging, 
>> TestIndexWriterMergePolicy, TestTimeLimitingCollector, 
>> TestFlushByRamOrCountsPolicy, TestSearchAfter, TestMinimize, 
>> TestSloppyPhraseQuery, TestPersistentSnapshotDeletionPolicy, 
>> TestBackwardsCompatibility, TestSort, TestIndexWriterDelete, 
>> TestSearchWithThreads, TestNRTCachingDirectory, TestPagedBytes, 
>> TestLongPostings, TestDirectoryReader, TestFixedBitSet, TestToken, 
>> TestCompoundFile, TestSimpleExplanations, TestCustomNorms, 
>> TestSnapshotDeletionPolicy, TestDocumentsWriterStallControl, 
>> TestRegexpRandom2, TestDocValuesIndexing, TestConcurrentMergeScheduler]
>> [junit4:junit4] Completed in 1.28s, 5 tests, 1 error <<< FAILURES!
>>
>> [...truncated 387 lines...]
>> BUILD FAILED
>> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:337: The 
>> following error occurred while executing this line:
>> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\build.xml:39: The 
>> following error occurred while executing this line:
>> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\build.xml:50: 
>> The following error occurred while executing this line:
>> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\common-build.xml:1163:
>>  The following error occurred while executing this line:
>> C:\Users\JenkinsSlave\workspace\Lucene-Solr-4.x-Windows\lucene\common-build.xml:827:
>>  There were test failures: 325 suites, 1862 tests, 1 error, 22 ignored (11 
>> assumptions)
>>
>> Total time: 8 minutes 33 seconds
>> Build step 'Invoke Ant' marked build as failure
>> Archiving artifacts
>> Recording test results
>> Description set: Java: 32bit/jdk1.7.0_09 -client -XX:+UseParallelGC
>> Email was triggered for: Failure
>> Sending email for trigger: Failure
>>
>>
>>
>>
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