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Posted to dev@mahout.apache.org by "Stevo Slavic (JIRA)" <ji...@apache.org> on 2013/08/29 11:08:51 UTC
[jira] [Created] (MAHOUT-1320) BallKMeansTest.testClustering is
unstable
Stevo Slavic created MAHOUT-1320:
------------------------------------
Summary: BallKMeansTest.testClustering is unstable
Key: MAHOUT-1320
URL: https://issues.apache.org/jira/browse/MAHOUT-1320
Project: Mahout
Issue Type: Bug
Components: Clustering
Affects Versions: 0.8
Environment: Apache Jenkins nodes
Reporter: Stevo Slavic
Assignee: Stevo Slavic
Priority: Minor
Fix For: 0.9
>From time to time this test fails with following in build log:
{noformat}
Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 48.134 sec <<< FAILURE! - in org.apache.mahout.clustering.streaming.cluster.BallKMeansTest
testClustering(org.apache.mahout.clustering.streaming.cluster.BallKMeansTest) Time elapsed: 2.051 sec <<< FAILURE!
java.lang.AssertionError: expected:<625.0> but was:<796.0>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:743)
at org.junit.Assert.assertEquals(Assert.java:494)
at org.junit.Assert.assertEquals(Assert.java:592)
at org.apache.mahout.clustering.streaming.cluster.BallKMeansTest.testClustering(BallKMeansTest.java:119)
{noformat}
Here is a bit more of build log output, which also shows other tests were running in parallel with this one:
{noformat}
[INFO] --- maven-surefire-plugin:2.15:test (default-test) @ mahout-core ---
[INFO] Surefire report directory: /home/jenkins/jenkins-slave/workspace/Mahout-Quality/trunk/core/target/surefire-reports
[INFO] parallel='classes', perCoreThreadCount=false, threadCount=1, useUnlimitedThreads=false
-------------------------------------------------------
T E S T S
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-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.mahout.common.distance.TestChebyshevMeasure
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.043 sec - in org.apache.mahout.common.distance.TestChebyshevMeasure
Running org.apache.mahout.common.distance.TestMinkowskiMeasure
Running org.apache.mahout.common.distance.TestMahalanobisDistanceMeasure
Running org.apache.mahout.common.distance.TestManhattanDistanceMeasure
Running org.apache.mahout.common.distance.CosineDistanceMeasureTest
Running org.apache.mahout.common.distance.TestTanimotoDistanceMeasure
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.143 sec - in org.apache.mahout.common.distance.TestMinkowskiMeasure
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.078 sec - in org.apache.mahout.common.distance.TestMahalanobisDistanceMeasure
Running org.apache.mahout.common.distance.TestWeightedManhattanDistanceMeasure
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.099 sec - in org.apache.mahout.common.distance.TestManhattanDistanceMeasure
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.075 sec - in org.apache.mahout.common.distance.CosineDistanceMeasureTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.094 sec - in org.apache.mahout.common.distance.TestTanimotoDistanceMeasure
Running org.apache.mahout.common.distance.TestWeightedEuclideanDistanceMeasureTest
Running org.apache.mahout.common.distance.TestEuclideanDistanceMeasure
Running org.apache.mahout.common.iterator.TestFixedSizeSampler
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.135 sec - in org.apache.mahout.common.distance.TestWeightedManhattanDistanceMeasure
Running org.apache.mahout.common.iterator.CountingIteratorTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 sec - in org.apache.mahout.common.iterator.CountingIteratorTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.073 sec - in org.apache.mahout.common.iterator.TestFixedSizeSampler
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.111 sec - in org.apache.mahout.common.distance.TestWeightedEuclideanDistanceMeasureTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.121 sec - in org.apache.mahout.common.distance.TestEuclideanDistanceMeasure
Running org.apache.mahout.common.iterator.TestSamplingIterator
Running org.apache.mahout.common.iterator.TestStableFixedSizeSampler
Running org.apache.mahout.common.DummyRecordWriterTest
Running org.apache.mahout.common.StringUtilsTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.093 sec - in org.apache.mahout.common.iterator.TestStableFixedSizeSampler
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.113 sec - in org.apache.mahout.common.DummyRecordWriterTest
Running org.apache.mahout.common.AbstractJobTest
Running org.apache.mahout.common.IntPairWritableTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.02 sec - in org.apache.mahout.common.IntPairWritableTest
Running org.apache.mahout.common.lucene.AnalyzerUtilsTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.07 sec - in org.apache.mahout.common.lucene.AnalyzerUtilsTest
Running org.apache.mahout.clustering.topdown.PathDirectoryTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec - in org.apache.mahout.clustering.topdown.PathDirectoryTest
Running org.apache.mahout.clustering.topdown.postprocessor.ClusterCountReaderTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.505 sec - in org.apache.mahout.common.StringUtilsTest
Running org.apache.mahout.clustering.classify.ClusterClassificationDriverTest
Running org.apache.mahout.clustering.topdown.postprocessor.ClusterOutputPostProcessorTest
Running org.apache.mahout.clustering.spectral.TestVectorCache
Running org.apache.mahout.clustering.spectral.TestVectorMatrixMultiplicationJob
Running org.apache.mahout.clustering.spectral.TestMatrixDiagonalizeJob
Running org.apache.mahout.clustering.lda.cvb.TestCVBModelTrainer
Running org.apache.mahout.clustering.spectral.TestAffinityMatrixInputJob
Running org.apache.mahout.clustering.spectral.TestUnitVectorizerJob
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.356 sec - in org.apache.mahout.common.AbstractJobTest
Running org.apache.mahout.clustering.canopy.TestCanopyCreation
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.046 sec - in org.apache.mahout.clustering.spectral.TestVectorMatrixMultiplicationJob
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.288 sec - in org.apache.mahout.clustering.spectral.TestMatrixDiagonalizeJob
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.624 sec - in org.apache.mahout.clustering.spectral.TestVectorCache
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.713 sec - in org.apache.mahout.common.iterator.TestSamplingIterator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.054 sec - in org.apache.mahout.clustering.spectral.TestUnitVectorizerJob
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.518 sec - in org.apache.mahout.clustering.spectral.TestAffinityMatrixInputJob
Running org.apache.mahout.clustering.kmeans.TestRandomSeedGenerator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.609 sec - in org.apache.mahout.clustering.topdown.postprocessor.ClusterCountReaderTest
Running org.apache.mahout.clustering.kmeans.TestEigenSeedGenerator
Running org.apache.mahout.clustering.kmeans.TestKmeansClustering
Running org.apache.mahout.clustering.TestGaussianAccumulators
Running org.apache.mahout.clustering.iterator.TestClusterClassifier
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.065 sec - in org.apache.mahout.clustering.topdown.postprocessor.ClusterOutputPostProcessorTest
Running org.apache.mahout.clustering.fuzzykmeans.TestFuzzyKmeansClustering
Running org.apache.mahout.clustering.TestClusterInterface
Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.203 sec - in org.apache.mahout.clustering.TestClusterInterface
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.746 sec - in org.apache.mahout.clustering.kmeans.TestEigenSeedGenerator
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.897 sec - in org.apache.mahout.clustering.kmeans.TestRandomSeedGenerator
Running org.apache.mahout.clustering.streaming.cluster.StreamingKMeansTest
Running org.apache.mahout.clustering.streaming.cluster.BallKMeansTest
Running org.apache.mahout.math.stats.OnlineAucTest
Running org.apache.mahout.math.stats.SamplerTest
Running org.apache.mahout.math.VarintTest
Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.031 sec - in org.apache.mahout.math.VarintTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.294 sec - in org.apache.mahout.math.stats.SamplerTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.821 sec - in org.apache.mahout.clustering.classify.ClusterClassificationDriverTest
Running org.apache.mahout.math.hadoop.stochasticsvd.SSVDCommonTest
Running org.apache.mahout.math.hadoop.stats.BasicStatsTest
Running org.apache.mahout.math.hadoop.TestDistributedRowMatrix
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.175 sec - in org.apache.mahout.math.hadoop.stochasticsvd.SSVDCommonTest
Running org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDPCASparseTest
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.366 sec - in org.apache.mahout.clustering.TestGaussianAccumulators
Running org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverSparseSequentialTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.578 sec - in org.apache.mahout.math.stats.OnlineAucTest
Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 7.893 sec - in org.apache.mahout.clustering.iterator.TestClusterClassifier
Running org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverDenseTest
Running org.apache.mahout.math.hadoop.solver.TestDistributedConjugateGradientSolverCLI
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 15.419 sec - in org.apache.mahout.clustering.canopy.TestCanopyCreation
Running org.apache.mahout.math.hadoop.solver.TestDistributedConjugateGradientSolver
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 13.33 sec - in org.apache.mahout.math.hadoop.stats.BasicStatsTest
Running org.apache.mahout.math.hadoop.similarity.TestVectorDistanceSimilarityJob
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.475 sec - in org.apache.mahout.clustering.kmeans.TestKmeansClustering
Running org.apache.mahout.math.hadoop.similarity.cooccurrence.measures.VectorSimilarityMeasuresTest
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.076 sec - in org.apache.mahout.math.hadoop.similarity.cooccurrence.measures.VectorSimilarityMeasuresTest
Running org.apache.mahout.math.hadoop.similarity.cooccurrence.RowSimilarityJobTest
Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 17.855 sec - in org.apache.mahout.math.hadoop.TestDistributedRowMatrix
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.63 sec - in org.apache.mahout.math.hadoop.similarity.TestVectorDistanceSimilarityJob
Running org.apache.mahout.math.hadoop.decomposer.TestDistributedLanczosSolverCLI
Running org.apache.mahout.math.VectorWritableTest
Tests run: 100, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.046 sec - in org.apache.mahout.math.VectorWritableTest
Running org.apache.mahout.math.ssvd.SequentialOutOfCoreSvdTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.541 sec - in org.apache.mahout.math.hadoop.solver.TestDistributedConjugateGradientSolverCLI
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 16.658 sec - in org.apache.mahout.math.hadoop.solver.TestDistributedConjugateGradientSolver
Running org.apache.mahout.math.neighborhood.LocalitySensitiveHashSearchTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 25.045 sec - in org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverSparseSequentialTest
Running org.apache.mahout.math.neighborhood.SearchSanityTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 33.918 sec - in org.apache.mahout.clustering.fuzzykmeans.TestFuzzyKmeansClustering
Running org.apache.mahout.math.MatrixWritableTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 13.944 sec - in org.apache.mahout.math.hadoop.similarity.cooccurrence.RowSimilarityJobTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.08 sec - in org.apache.mahout.math.MatrixWritableTest
Running org.apache.mahout.vectorizer.DocumentProcessorTest
Running org.apache.mahout.vectorizer.HighDFWordsPrunerTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.631 sec - in org.apache.mahout.vectorizer.HighDFWordsPrunerTest
Running org.apache.mahout.math.neighborhood.SearchQualityTest
Running org.apache.mahout.vectorizer.encoders.ContinuousValueEncoderTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.062 sec - in org.apache.mahout.vectorizer.encoders.ContinuousValueEncoderTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.581 sec - in org.apache.mahout.vectorizer.DocumentProcessorTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 34.304 sec - in org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDPCASparseTest
Running org.apache.mahout.vectorizer.encoders.ConstantValueEncoderTest
Running org.apache.mahout.vectorizer.encoders.InteractionValueEncoderTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.113 sec - in org.apache.mahout.vectorizer.encoders.ConstantValueEncoderTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.137 sec - in org.apache.mahout.vectorizer.encoders.InteractionValueEncoderTest
Running org.apache.mahout.vectorizer.encoders.WordLikeValueEncoderTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.174 sec - in org.apache.mahout.vectorizer.encoders.WordLikeValueEncoderTest
Running org.apache.mahout.vectorizer.encoders.TextValueEncoderTest
Running org.apache.mahout.vectorizer.SparseVectorsFromSequenceFilesTest
Running org.apache.mahout.vectorizer.collocations.llr.GramTest
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.082 sec - in org.apache.mahout.vectorizer.collocations.llr.GramTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.544 sec - in org.apache.mahout.vectorizer.encoders.TextValueEncoderTest
Running org.apache.mahout.vectorizer.collocations.llr.GramKeyGroupComparatorTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.069 sec - in org.apache.mahout.vectorizer.collocations.llr.GramKeyGroupComparatorTest
Running org.apache.mahout.vectorizer.collocations.llr.GramKeyPartitionerTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.061 sec - in org.apache.mahout.vectorizer.collocations.llr.GramKeyPartitionerTest
Running org.apache.mahout.vectorizer.collocations.llr.LLRReducerTest
Running org.apache.mahout.vectorizer.collocations.llr.CollocReducerTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.552 sec - in org.apache.mahout.vectorizer.collocations.llr.LLRReducerTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.369 sec - in org.apache.mahout.vectorizer.collocations.llr.CollocReducerTest
Running org.apache.mahout.vectorizer.collocations.llr.CollocMapperTest
Running org.apache.mahout.vectorizer.collocations.llr.GramKeyTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.081 sec - in org.apache.mahout.vectorizer.collocations.llr.GramKeyTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.693 sec - in org.apache.mahout.vectorizer.collocations.llr.CollocMapperTest
Running org.apache.mahout.vectorizer.DictionaryVectorizerTest
Running org.apache.mahout.vectorizer.EncodedVectorsFromSequenceFilesTest
Tests run: 3, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 48.134 sec <<< FAILURE! - in org.apache.mahout.clustering.streaming.cluster.BallKMeansTest
testClustering(org.apache.mahout.clustering.streaming.cluster.BallKMeansTest) Time elapsed: 2.051 sec <<< FAILURE!
java.lang.AssertionError: expected:<625.0> but was:<796.0>
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.failNotEquals(Assert.java:743)
at org.junit.Assert.assertEquals(Assert.java:494)
at org.junit.Assert.assertEquals(Assert.java:592)
at org.apache.mahout.clustering.streaming.cluster.BallKMeansTest.testClustering(BallKMeansTest.java:119)
{noformat}
Last time test failed it was on ubuntu-1 node, but it's also randomly successful on same node so it doesn't seem to be caused by something node specific.
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