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Initial Changes

The lucene.version in gradle/dependency-versions.properties was changed:

From:

lucene.version = 6.4.1

To:

lucene.version = 7.1.0

Compilation

With this change, compilation failed with:

geode/open/geode-lucene/src/main/java/org/apache/geode/cache/lucene/internal/repository/IndexRepositoryImpl.java:125: error: incompatible types: possible lossy conversion from long to int
  totalHits = docs.totalHits;

org.apache.lucene.search.TopDocs totalHits changed from int to long.

That required a few changes.

org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImpl query was changed:

From:

int totalHits = 0;

To:

long totalHits = 0;

org.apache.geode.cache.lucene.internal.LuceneIndexStats endRepositoryQuery signature was changed:

From:

public void endRepositoryQuery(long start, final int totalHits)

To:

public void endRepositoryQuery(long start, final long totalHits) {

Unit Test Execution

Issue

org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImplJUnitTest queryShouldUpdateStats failed with:

org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImplJUnitTest > queryShouldUpdateStats FAILED
    Argument(s) are different! Wanted:
    luceneIndexStats.endRepositoryQuery(
        <any long>,
        (Integer) 2
    );
    -> at org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImplJUnitTest.queryShouldUpdateStats(IndexRepositoryImplJUnitTest.java:163)
    Actual invocation has different arguments:
    luceneIndexStats.endRepositoryQuery(
        0L,
        (Long) 2L
    );
    -> at org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImpl.query(IndexRepositoryImpl.java:136)
        at org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImplJUnitTest.queryShouldUpdateStats(IndexRepositoryImplJUnitTest.java:163)


Resolution

The org.apache.geode.cache.lucene.internal.repository.IndexRepositoryImplJUnitTest queryShouldUpdateStats test was changed:

From:

verify(stats, times(1)).endRepositoryQuery(anyLong(), eq(2));

To:

verify(stats, times(1)).endRepositoryQuery(anyLong(), eq(2l));

Issue

Several org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit tests failed with the exception below including:

  • luceneQueryReturnsCorrectResultsAfterClientAndServersAreRolledOver
  • luceneQueryReturnsCorrectResultAfterTwoLocatorsWithTwoServersAreRolled

  • luceneQueryReturnsCorrectResultsAfterServersRollOverOnPartitionRegion

org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit > luceneQueryReturnsCorrectResultsAfterClientAndServersAreRolledOver[0] FAILED
    org.apache.geode.test.dunit.RMIException: While invoking org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit$$Lambda$204/1077331008.run in VM 2 running on Host 192.168.2.6 with 4 VMs
        at org.apache.geode.test.dunit.VM.invoke(VM.java:393)
        at org.apache.geode.test.dunit.VM.invoke(VM.java:363)
        at org.apache.geode.test.dunit.VM.invoke(VM.java:308)
        at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.verifyLuceneQueryResultInEachVM(LuceneSearchWithRollingUpgradeDUnit.java:553)
        at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.putSerializableObjectAndVerifyLuceneQueryResult(LuceneSearchWithRollingUpgradeDUnit.java:500)
        at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.luceneQueryReturnsCorrectResultsAfterClientAndServersAreRolledOver(LuceneSearchWithRollingUpgradeDUnit.java:264)
        Caused by:
        java.lang.reflect.InvocationTargetException
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
            at java.lang.reflect.Method.invoke(Method.java:497)
            at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.verifyLuceneQueryResults(LuceneSearchWithRollingUpgradeDUnit.java:536)
            at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.lambda$verifyLuceneQueryResultInEachVM$b83f705c$2(LuceneSearchWithRollingUpgradeDUnit.java:553)
            Caused by:
            java.lang.IllegalArgumentException: Could not load codec 'Lucene62'.  Did you forget to add lucene-backward-codecs.jar?
                Caused by:
                java.lang.IllegalArgumentException: An SPI class of type org.apache.lucene.codecs.Codec with name 'Lucene62' does not exist.  You need to add the corresponding JAR file supporting this SPI to your classpath.  The current classpath supports the following names: [Lucene70, Asserting, CheapBastard, FastCompressingStoredFields, FastDecompressionCompressingStoredFields, HighCompressionCompressingStoredFields, DummyCompressingStoredFields, SimpleText]

Resolution

The following line was added to geode-lucene/build.gradle:

testRuntime 'org.apache.lucene:lucene-backward-codecs:' + project.'lucene.version'

Issue

org.apache.geode.cache.lucene.internal.distributed.DistributedScoringJUnitTest uniformDistributionProducesComparableScores failed with:

org.apache.geode.cache.lucene.internal.distributed.DistributedScoringJUnitTest > uniformDistributionProducesComparableScores FAILED
    org.junit.ComparisonFailure: expected:<key-[6]> but was:<key-[5]>
        at org.junit.Assert.assertEquals(Assert.java:115)
        at org.junit.Assert.assertEquals(Assert.java:144)
        at org.apache.geode.cache.lucene.internal.distributed.DistributedScoringJUnitTest.uniformDistributionProducesComparableScores(DistributedScoringJUnitTest.java:119)

Analysis

This test compares the scores for query results from one IndexRepositoryImpl vs the scores for query results from three IndexRepositoryImpls. The test expects the ordering to be the same but its not.

In Lucene 6.4.1, logging shows the scores like:

Single IndexRepositoryImpl Result:
singleQueryResult=[key=key-0 score=1.8132632, key=key-3 score=1.2614386, key=key-6 score=1.0530728, key=key-5 score=1.0299048, key=key-7 score=0.63357]

Three IndexRepositoryImpl Result:
collector1QueryResult=[key=key-0 score=1.8866812]
collector2QueryResult=[key=key-3 score=1.1131656, key=key-5 score=0.5000039]
collector3QueryResult=[key=key-6 score=0.59086174, key=key-7 score=0.33355096]
mergedResult=[key=key-0 score=1.8866812, key=key-3 score=1.1131656, key=key-6 score=0.59086174, key=key-5 score=0.5000039, key=key-7 score=0.33355096]

In Lucene 7.1.0, logging shows the scores like:

Single IndexRepositoryImpl Result:
singleQueryResult=[key=key-0 score=1.9968563, key=key-3 score=1.2946333, key=key-5 score=1.1341828, key=key-6 score=1.0530728, key=key-7 score=0.73058176]
 
Three IndexRepositoryImpl Result:
collector1QueryResult=[key=key-0 score=2.0834162]
collector2QueryResult=[key=key-3 score=1.13994, key=key-5 score=0.5442147]
collector3QueryResult=[key=key-6 score=0.59086174, key=key-7 score=0.3901917]
mergedResult=[key=key-0 score=2.0834162, key=key-3 score=1.13994, key=key-6 score=0.59086174, key=key-5 score=0.5442147, key=key-7 score=0.3901917]

The difference is key-5 and key-6 are in different orders in the single IndexRepositoryImpl query vs the multiple IndexRepositoryImpl query.

Issue

org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit luceneQueryReturnsCorrectResultsAfterServersRollOverOnPartitionRegion failed with:

[info 2017/10/18 16:14:35.167 PDT <RMI TCP Connection(1)-192.168.2.6> tid=0x13] Got result: EXCEPTION_OCCURRED
java.lang.reflect.InvocationTargetException
	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:497)
	at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.verifyLuceneQueryResults(LuceneSearchWithRollingUpgradeDUnit.java:536)
	at org.apache.geode.cache.lucene.LuceneSearchWithRollingUpgradeDUnit.lambda$verifyLuceneQueryResultInEachVM$b83f705c$2(LuceneSearchWithRollingUpgradeDUnit.java:553)
Caused by: org.apache.geode.InternalGemFireError: Unable to create index repository
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.lambda$computeRepository$0(AbstractPartitionedRepositoryManager.java:118)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager$$Lambda$35/248730969.apply(Unknown Source)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.computeRepository(AbstractPartitionedRepositoryManager.java:108)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.getRepository(AbstractPartitionedRepositoryManager.java:137)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.getRepositories(AbstractPartitionedRepositoryManager.java:91)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.distributed.LuceneQueryFunction.execute(LuceneQueryFunction.java:105)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.internal.cache.PartitionedRegionDataStore.executeOnDataStore(PartitionedRegionDataStore.java:2911)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.internal.cache.partitioned.PartitionedRegionFunctionStreamingMessage.operateOnPartitionedRegion(PartitionedRegionFunctionStreamingMessage.java:98)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.internal.cache.partitioned.PartitionMessage.process(PartitionMessage.java:332)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionMessage.scheduleAction(DistributionMessage.java:374)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionMessage$1.run(DistributionMessage.java:440)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionManager.runUntilShutdown(DistributionManager.java:662)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionManager$9$1.run(DistributionManager.java:1108)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.lang.Thread.run(Thread.java:745)
	at org.apache.geode.distributed.internal.ReplyException.handleAsUnexpected(ReplyException.java:89)
	at org.apache.geode.internal.cache.execute.FunctionStreamingResultCollector.waitForCacheOrFunctionException(FunctionStreamingResultCollector.java:465)
	at org.apache.geode.internal.cache.partitioned.PRFunctionStreamingResultCollector.getResult(PRFunctionStreamingResultCollector.java:91)
	at org.apache.geode.cache.lucene.internal.LuceneQueryImpl.findTopEntries(LuceneQueryImpl.java:121)
	at org.apache.geode.cache.lucene.internal.LuceneQueryImpl.findKeys(LuceneQueryImpl.java:69)
	... 31 more
Caused by: org.apache.lucene.index.IndexFormatTooNewException: Format version is not supported (resource BufferedChecksumIndexInput(segments_2)): 7 (needs to be between 4 and 6)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.lucene.codecs.CodecUtil.checkHeaderNoMagic(CodecUtil.java:216)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:302)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.lucene.index.SegmentInfos.readCommit(SegmentInfos.java:286)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:938)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.IndexRepositoryFactory.computeIndexRepository(IndexRepositoryFactory.java:84)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.PartitionedRepositoryManager.computeRepository(PartitionedRepositoryManager.java:42)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.lambda$computeRepository$0(AbstractPartitionedRepositoryManager.java:116)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager$$Lambda$35/248730969.apply(Unknown Source)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.util.concurrent.ConcurrentHashMap.compute(ConcurrentHashMap.java:1853)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.computeRepository(AbstractPartitionedRepositoryManager.java:108)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.getRepository(AbstractPartitionedRepositoryManager.java:137)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.AbstractPartitionedRepositoryManager.getRepositories(AbstractPartitionedRepositoryManager.java:91)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.cache.lucene.internal.distributed.LuceneQueryFunction.execute(LuceneQueryFunction.java:105)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.internal.cache.PartitionedRegionDataStore.executeOnDataStore(PartitionedRegionDataStore.java:2911)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.internal.cache.partitioned.PartitionedRegionFunctionStreamingMessage.operateOnPartitionedRegion(PartitionedRegionFunctionStreamingMessage.java:98)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.internal.cache.partitioned.PartitionMessage.process(PartitionMessage.java:332)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionMessage.scheduleAction(DistributionMessage.java:374)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionMessage$1.run(DistributionMessage.java:440)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionManager.runUntilShutdown(DistributionManager.java:662)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in org.apache.geode.distributed.internal.DistributionManager$9$1.run(DistributionManager.java:1108)
	at Remote Member '192.168.2.6(57006)<v3>:32773(version:GEODE 1.2.0)' in java.lang.Thread.run(Thread.java:745)

Analysis

TBD - More work here.

The test:

  • creates a LuceneIndex in 3 servers on an older version
  • rolls each server one at a time and:
    • creates the region
    • executes a query
    • verifies the results

The LuceneQueryImpl.findKeys method causes LuceneQueryFunction to be invoked in an older member. That older member tries to create an IndexWriter and fails.

Hydra Test Execution

The lucene.bt and backwardCompatibilityLucene.bt had only 1 hung test which I don't think was related to Lucene 7.x.

lucene/serialParReg.conf                                       P    00:11:14    closed/pivotalgf-assembly/build/hydraTest/serialParReg-1023-192645
lucene/concParReg.conf                                         P    00:24:33    closed/pivotalgf-assembly/build/hydraTest/concParReg-1023-193804
lucene/serialParRegPersist.conf                                P    00:15:20    closed/pivotalgf-assembly/build/hydraTest/serialParRegPersist-1023-200244
lucene/serialParRegIncremental.conf                            P    00:10:49    closed/pivotalgf-assembly/build/hydraTest/serialParRegIncremental-1023-201809
lucene/concParRegPersist.conf                                  P    00:22:47    closed/pivotalgf-assembly/build/hydraTest/concParRegPersist-1023-202902
lucene/concParRegIncremental.conf                              P    00:12:30    closed/pivotalgf-assembly/build/hydraTest/concParRegIncremental-1023-205153
lucene/concParRegBridge.conf                                   P    00:25:06    closed/pivotalgf-assembly/build/hydraTest/concParRegBridge-1023-210430
lucene/concParRegBridge.conf                                   P    00:25:05    closed/pivotalgf-assembly/build/hydraTest/concParRegBridge-1023-212942
lucene/concParRegBridge.conf                                   P    00:25:46    closed/pivotalgf-assembly/build/hydraTest/concParRegBridge-1023-215452
lucene/concParRegBridge.conf                                   P    00:23:51    closed/pivotalgf-assembly/build/hydraTest/concParRegBridge-1023-222043
lucene/concParRegBridgePersist.conf                            P    00:24:18    closed/pivotalgf-assembly/build/hydraTest/concParRegBridgePersist-1023-224441
lucene/concParRegBridgePersist.conf                            P    00:23:09    closed/pivotalgf-assembly/build/hydraTest/concParRegBridgePersist-1023-230905
lucene/concParRegBridgePersist.conf                            P    00:22:24    closed/pivotalgf-assembly/build/hydraTest/concParRegBridgePersist-1023-233220
lucene/concParRegBridgePersist.conf                            P    00:22:15    closed/pivotalgf-assembly/build/hydraTest/concParRegBridgePersist-1023-235449
lucene/serialParRegHA.conf                                     P    00:10:56    closed/pivotalgf-assembly/build/hydraTest/serialParRegHA-1024-001710
lucene/concParRegHA.conf                                       P    00:32:02    closed/pivotalgf-assembly/build/hydraTest/concParRegHA-1024-002811
lucene/serialParRegHA.conf                                     P    00:11:25    closed/pivotalgf-assembly/build/hydraTest/serialParRegHA-1024-010017
lucene/concParRegHA.conf                                       P    00:32:37    closed/pivotalgf-assembly/build/hydraTest/concParRegHA-1024-011147
lucene/serialParRegHAPersist.conf                              P    00:13:38    closed/pivotalgf-assembly/build/hydraTest/serialParRegHAPersist-1024-014428
lucene/serialParRegHAPersist.conf                              P    00:13:36    closed/pivotalgf-assembly/build/hydraTest/serialParRegHAPersist-1024-015811
lucene/concParRegHAPersist.conf                                P    00:19:42    closed/pivotalgf-assembly/build/hydraTest/concParRegHAPersist-1024-021152
lucene/concParRegHAPersist.conf                                P    00:20:06    closed/pivotalgf-assembly/build/hydraTest/concParRegHAPersist-1024-023138
lucene/concParRegHABridge.conf                                 P    00:34:45    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridge-1024-025150
lucene/concParRegHABridge.conf                                 P    00:33:29    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridge-1024-032640
lucene/concParRegHABridge.conf                                 P    00:33:07    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridge-1024-040015
lucene/concParRegHABridge.conf                                 P    00:33:54    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridge-1024-043328
lucene/concParRegHABridgePersist.conf                          P    00:21:58    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridgePersist-1024-050729
lucene/concParRegHABridgePersist.conf                          P    00:21:55    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridgePersist-1024-052931
lucene/concParRegRecover.conf                                  P    00:13:42    closed/pivotalgf-assembly/build/hydraTest/concParRegRecover-1024-055135
lucene/concParRegRecover.conf                                  P    00:15:49    closed/pivotalgf-assembly/build/hydraTest/concParRegRecover-1024-060521
lucene/concParRegRecover.conf                                  P    00:14:59    closed/pivotalgf-assembly/build/hydraTest/concParRegRecover-1024-062115
lucene/luceneQueriesWithRebalance.conf                         P    00:06:02    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithRebalance-1024-063618
lucene/luceneQueriesWithRebalance.conf                         P    00:06:53    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithRebalance-1024-064226
lucene/luceneQueriesWithRebalancePersist.conf                  P    00:11:01    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithRebalancePersist-1024-064923
lucene/luceneQueriesWithRebalancePersist.conf                  P    00:09:16    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithRebalancePersist-1024-070030
lucene/luceneQueriesWithHA.conf                                P    00:12:03    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHA-1024-070951
lucene/luceneQueriesWithHA.conf                                H    00:16:37    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHA-1024-072200
lucene/luceneQueriesWithHA.conf                                P    00:12:38    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHA-1024-073844
lucene/luceneQueriesWithHA.conf                                P    00:12:56    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHA-1024-075128
lucene/luceneQueriesWithHA.conf                                P    00:13:05    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHA-1024-080428
lucene/luceneQueriesWithHAPersist.conf                         P    00:14:38    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHAPersist-1024-081740
lucene/luceneQueriesWithHAPersist.conf                         P    00:15:38    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHAPersist-1024-083223
lucene/luceneQueriesWithHAPersist.conf                         P    00:15:51    closed/pivotalgf-assembly/build/hydraTest/luceneQueriesWithHAPersist-1024-084807
lucene/concDestroyIndex.conf                                   P    00:12:10    closed/pivotalgf-assembly/build/hydraTest/concDestroyIndex-1024-090403
lucene/backwardCompatibility/concParRegBridge.conf             P    00:25:50    closed/pivotalgf-assembly/build/hydraTest/concParRegBridge-1024-091618
lucene/backwardCompatibility/concParRegBridge.conf             P    00:25:09    closed/pivotalgf-assembly/build/hydraTest/concParRegBridge-1024-094213
lucene/backwardCompatibility/concParRegBridgePersist.conf      P    00:23:35    closed/pivotalgf-assembly/build/hydraTest/concParRegBridgePersist-1024-100726
lucene/backwardCompatibility/concParRegBridgePersist.conf      P    00:24:43    closed/pivotalgf-assembly/build/hydraTest/concParRegBridgePersist-1024-103106
lucene/backwardCompatibility/concParRegHABridge.conf           P    00:33:06    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridge-1024-105556
lucene/backwardCompatibility/concParRegHABridgePersist.conf    P    00:21:18    closed/pivotalgf-assembly/build/hydraTest/concParRegHABridgePersist-1024-112907

The errors.txt file contained:

THREAD vm_0_thr_7_accessor1_mclaren_11724 Subthread Dynamic Client VM Stopper
HANG Timeout during dynamic action: Failed to stop vm_3 within 300 seconds
hydra.HydraTimeoutException: Failed to stop vm_3 within 300 seconds
	at hydra.ClientMgr.killClientVm(ClientMgr.java:969)
	at hydra.ClientMgr.stopClientVm(ClientMgr.java:819)
	at hydra.ClientMgr._stopClientVm(ClientMgr.java:761)
	at hydra.ClientMgr$2.run(ClientMgr.java:720)
	at java.lang.Thread.run(Thread.java:745)
--------------------------------------------------------------------------------

The thread dump contained these two threads that look interesting:

"vm_0_thr_7_accessor1_mclaren_11724 Subthread" #7932 daemon prio=5 os_prio=0 tid=0x00007fd5e0003800 nid=0x2c56 in Object.wait() [0x00007fd6f2aeb000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	at java.lang.Object.wait(Object.java:502)
	at hydra.DynamicActionUtil.waitForDynamicActionToComplete(DynamicActionUtil.java:79)
	- locked <0x00000000ec1b8740> (a hydra.DynamicActionUtil$PidSignal)
	at hydra.DynamicActionUtil.runActionThread(DynamicActionUtil.java:53)
	at hydra.ClientVmMgr.reserveAndStop(ClientVmMgr.java:567)
	at hydra.ClientVmMgr.stop(ClientVmMgr.java:534)
	at hydra.ClientVmMgr.stop(ClientVmMgr.java:390)
	at util.StopStartVMs.run(StopStartVMs.java:86)
	at java.lang.Thread.run(Thread.java:745)
 
"vm_0_thr_7_accessor1_mclaren_11724" #7928 daemon prio=5 os_prio=0 tid=0x00007fd6f8006000 nid=0x2c47 in Object.wait() [0x00007fd74962f000]
   java.lang.Thread.State: WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	at java.lang.Thread.join(Thread.java:1245)
	- locked <0x00000000ec1bb1b0> (a hydra.HydraSubthread)
	at java.lang.Thread.join(Thread.java:1319)
	at util.StopStartVMs.joinStopStart(StopStartVMs.java:400)
	at util.StopStartVMs.stopStartVMs(StopStartVMs.java:307)
	at parReg.ParRegTest.cycleVMsNoWait(ParRegTest.java:5029)
	at lucene.LuceneTest.stopStartVMs(LuceneTest.java:641)
	at lucene.LuceneTest.HydraTask_stopStartVMs(LuceneTest.java:637)
	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:497)
	at hydra.MethExecutor.execute(MethExecutor.java:182)
	at hydra.MethExecutor.execute(MethExecutor.java:150)
	at hydra.TestTask.execute(TestTask.java:191)
	at hydra.RemoteTestModule$1.run(RemoteTestModule.java:212)
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