See <https://builds.apache.org/job/mahout-nightly/org.apache.mahout$mahout-core/1093/>
------------------------------------------ [...truncated 226 lines...] Tests run: 14, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.373 sec Running org.apache.mahout.cf.taste.impl.common.BitSetTest Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.common.FastByIDMapTest Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.295 sec Running org.apache.mahout.cf.taste.impl.common.LongPrimitiveArrayIteratorTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.common.WeightedRunningAverageTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDevTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.028 sec Running org.apache.mahout.cf.taste.impl.common.FastIDSetTest Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.266 sec Running org.apache.mahout.cf.taste.impl.common.SamplingLongPrimitiveIteratorTest Tests run: 6, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 2.386 sec <<< FAILURE! testSample(org.apache.mahout.cf.taste.impl.common.SamplingLongPrimitiveIteratorTest) Time elapsed: 2.384 sec <<< FAILURE! java.lang.AssertionError at org.junit.Assert.fail(Assert.java:92) at org.junit.Assert.assertTrue(Assert.java:43) at org.junit.Assert.assertTrue(Assert.java:54) at org.apache.mahout.cf.taste.impl.common.SamplingLongPrimitiveIteratorTest.testSample(SamplingLongPrimitiveIteratorTest.java:77) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252) at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141) at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189) at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165) at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85) at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115) at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75) Running org.apache.mahout.cf.taste.impl.model.BooleanUserPreferenceArrayTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec Running org.apache.mahout.cf.taste.impl.model.BooleanItemPreferenceArrayTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.model.GenericDataModelTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec Running org.apache.mahout.cf.taste.impl.model.GenericUserPreferenceArrayTest Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.model.MemoryIDMigratorTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.cf.taste.impl.model.GenericItemPreferenceArrayTest Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.cf.taste.impl.model.file.FileDataModelTest Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.081 sec Running org.apache.mahout.cf.taste.impl.model.file.FileIDMigratorTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.004 sec Running org.apache.mahout.cf.taste.impl.model.PlusAnonymousConcurrentUserDataModelTest Tests run: 15, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec Running org.apache.mahout.cf.taste.impl.eval.AverageAbsoluteDifferenceRecommenderEvaluatorTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec Running org.apache.mahout.cf.taste.impl.eval.RMSRecommenderEvaluatorTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 sec Running org.apache.mahout.cf.taste.impl.eval.GenericRecommenderIRStatsEvaluatorImplTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec Running org.apache.mahout.cf.taste.impl.recommender.SamplingCandidateItemsStrategyTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.recommender.GenericItemBasedRecommenderTest Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.019 sec Running org.apache.mahout.cf.taste.impl.recommender.ItemAverageRecommenderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.recommender.svd.SVDRecommenderTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.013 sec Running org.apache.mahout.cf.taste.impl.recommender.svd.ALSWRFactorizerTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.065 sec Running org.apache.mahout.cf.taste.impl.recommender.svd.FilePersistenceStrategyTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.recommender.TreeClusteringRecommender2Test Tests run: 5, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 0.006 sec Running org.apache.mahout.cf.taste.impl.recommender.TopItemsTest Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.cf.taste.impl.recommender.TreeClusteringRecommenderTest Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 sec Running org.apache.mahout.cf.taste.impl.recommender.NullRescorerTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.recommender.GenericUserBasedRecommenderTest Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec Running org.apache.mahout.cf.taste.impl.recommender.knn.KnnItemBasedRecommenderTest Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec Running org.apache.mahout.cf.taste.impl.recommender.ItemUserAverageRecommenderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.cf.taste.impl.recommender.RandomRecommenderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.recommender.AllUnknownItemsCandidateItemsStrategyTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec Running org.apache.mahout.cf.taste.impl.recommender.slopeone.SlopeOneRecommenderTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec Running org.apache.mahout.cf.taste.impl.recommender.slopeone.MemoryDiffStorageTest Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec Running org.apache.mahout.cf.taste.impl.recommender.CachingRecommenderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.cf.taste.impl.recommender.PreferredItemsNeighborhoodCandidateItemsStrategyTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec Running org.apache.mahout.cf.taste.impl.neighborhood.NearestNNeighborhoodTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.neighborhood.ThresholdNeighborhoodTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec Running org.apache.mahout.cf.taste.impl.similarity.AveragingPreferenceInferrerTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.similarity.SpearmanCorrelationSimilarityTest Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.similarity.GenericItemSimilarityTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.cf.taste.impl.similarity.PearsonCorrelationSimilarityTest Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec Running org.apache.mahout.cf.taste.impl.similarity.LogLikelihoodSimilarityTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0 sec Running org.apache.mahout.cf.taste.impl.similarity.file.FileItemSimilarityTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.058 sec Running org.apache.mahout.cf.taste.impl.similarity.EuclideanDistanceSimilarityTest Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 sec Running org.apache.mahout.cf.taste.impl.similarity.TanimotoCoefficientSimilarityTest Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.cf.taste.impl.transforms.InverseUserFrequencyTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.transforms.CaseAmplificationTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.cf.taste.impl.transforms.ZScoreTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.driver.MahoutDriverTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.042 sec Running org.apache.mahout.clustering.canopy.TestCanopyCreation Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 71.608 sec Running org.apache.mahout.clustering.topdown.postprocessor.ClusterCountReaderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.125 sec Running org.apache.mahout.clustering.topdown.postprocessor.ClusterOutputPostProcessorTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.107 sec Running org.apache.mahout.clustering.topdown.PathDirectoryTest Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.clustering.fuzzykmeans.TestFuzzyKmeansClustering Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 163.821 sec Running org.apache.mahout.clustering.minhash.TestMinHashClustering Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 26.182 sec Running org.apache.mahout.clustering.spectral.common.TestAffinityMatrixInputJob Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec Running org.apache.mahout.clustering.spectral.common.TestVectorMatrixMultiplicationJob Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec Running org.apache.mahout.clustering.spectral.common.TestUnitVectorizerJob Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec Running org.apache.mahout.clustering.spectral.common.TestMatrixDiagonalizeJob Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec Running org.apache.mahout.clustering.spectral.common.TestVectorCache Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.032 sec Running org.apache.mahout.clustering.spectral.eigencuts.TestEigencutsSensitivityJob Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec Running org.apache.mahout.clustering.spectral.eigencuts.TestEigencutsAffinityCutsJob Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.031 sec Running org.apache.mahout.clustering.iterator.TestClusterClassifier Tests run: 15, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 28.418 sec Running org.apache.mahout.clustering.TestClusterInterface Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.clustering.TestGaussianAccumulators Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.735 sec Running org.apache.mahout.clustering.meanshift.TestMeanShift Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 56.558 sec Running org.apache.mahout.clustering.lda.cvb.TestCVBModelTrainer Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 227.291 sec Running org.apache.mahout.clustering.kmeans.TestRandomSeedGenerator Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.018 sec Running org.apache.mahout.clustering.kmeans.TestKmeansClustering Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 119.189 sec Running org.apache.mahout.clustering.dirichlet.TestDistributions Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.031 sec Running org.apache.mahout.clustering.dirichlet.TestDirichletClustering Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.192 sec Running org.apache.mahout.clustering.dirichlet.TestMapReduce Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 79.353 sec Running org.apache.mahout.clustering.classify.ClusterClassificationDriverTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 11.152 sec Running org.apache.mahout.vectorizer.DictionaryVectorizerTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 185.374 sec Running org.apache.mahout.vectorizer.collocations.llr.GramKeyTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.vectorizer.collocations.llr.CollocReducerTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.vectorizer.collocations.llr.LLRReducerTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec Running org.apache.mahout.vectorizer.collocations.llr.CollocMapperTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.028 sec Running org.apache.mahout.vectorizer.collocations.llr.GramKeyPartitionerTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec Running org.apache.mahout.vectorizer.collocations.llr.GramTest Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec Running org.apache.mahout.vectorizer.collocations.llr.GramKeyGroupComparatorTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.vectorizer.encoders.WordLikeValueEncoderTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec Running org.apache.mahout.vectorizer.encoders.InteractionValueEncoderTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.vectorizer.encoders.ContinuousValueEncoderTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.vectorizer.encoders.TextValueEncoderTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.035 sec Running org.apache.mahout.vectorizer.encoders.ConstantValueEncoderTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.vectorizer.DocumentProcessorTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.029 sec Running org.apache.mahout.vectorizer.EncodedVectorsFromSequenceFilesTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.249 sec Running org.apache.mahout.vectorizer.HighDFWordsPrunerTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 113.541 sec Running org.apache.mahout.vectorizer.SparseVectorsFromSequenceFilesTest Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 303.634 sec Running org.apache.mahout.fpm.pfpgrowth.PFPGrowthRetailDataTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 168.996 sec Running org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 42.267 sec Running org.apache.mahout.fpm.pfpgrowth.fpgrowth.FrequentPatternMaxHeapTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.055 sec Running org.apache.mahout.fpm.pfpgrowth.FPGrowthTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.036 sec Running org.apache.mahout.fpm.pfpgrowth.FPGrowthRetailDataTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.326 sec Running org.apache.mahout.fpm.pfpgrowth.TransactionTreeTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.078 sec Running org.apache.mahout.fpm.pfpgrowth.FPGrowthSyntheticDataTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 84.144 sec Results : Failed tests: testSample(org.apache.mahout.cf.taste.impl.common.SamplingLongPrimitiveIteratorTest) Tests run: 686, Failures: 1, Errors: 0, Skipped: 1 mojoFailed org.apache.maven.plugins:maven-surefire-plugin:2.12.4(default-test) [JENKINS] Recording test results projectFailed org.apache.mahout:mahout-core:0.8-SNAPSHOT