Thanks for your immediate reply, I just set M MAVEN_OPTS=-Xmx512m but I still get the same error messages:
Running org.apache.mahout.df.mapreduce.partial.TreeIDTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.25 sec Running org.apache.mahout.cf.taste.impl.common.RefreshHelperTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.cf.taste.impl.recommender.slopeone.MemoryDiffStorageTe st Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.cf.taste.impl.common.RunningAverageAndStdDevTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.common.distance.CosineDistanceMeasureTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.fpm.pfpgrowth.fpgrowth.FrequentPatternMaxHeapTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.036 sec Running org.apache.mahout.clustering.lda.TestMapReduce Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.187 sec Running org.apache.mahout.cf.taste.impl.eval.GenericRecommenderIRStatsEvaluatorI mplTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec Running org.apache.mahout.clustering.kmeans.TestKmeansClustering Tests run: 7, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.143 sec <<< FA ILURE! Running org.apache.mahout.cf.taste.impl.recommender.TreeClusteringRecommenderTes t Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec Running org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest Tests run: 3, Failures: 1, Errors: 2, Skipped: 0, Time elapsed: 0.126 sec <<< FA ILURE! Running org.apache.mahout.common.IntPairWritableTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.022 sec Running org.apache.mahout.cf.taste.impl.transforms.CaseAmplificationTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.df.data.DatasetTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.cf.taste.impl.similarity.AveragingPreferenceInferrerTe st Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.df.data.DataTest Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.104 sec Running org.apache.mahout.cf.taste.impl.common.InvertedRunningAverageTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.similarity.EuclideanDistanceSimilarityTe st Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec Running org.apache.mahout.cf.taste.impl.eval.AverageAbsoluteDifferenceRecommende rEvaluatorTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 sec Running org.apache.mahout.cf.taste.impl.recommender.GenericItemBasedRecommenderT est Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec Running org.apache.mahout.clustering.canopy.TestCanopyCreation Tests run: 17, Failures: 0, Errors: 5, Skipped: 0, Time elapsed: 0.178 sec <<< F AILURE! Running org.apache.mahout.df.mapred.partial.Step2MapperTest Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.02 sec <<< FAI LURE! Running org.apache.mahout.clustering.meanshift.TestMeanShift Tests run: 4, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.168 sec <<< FA ILURE! Running org.apache.mahout.classifier.bayes.CBayesClassifierTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.df.mapreduce.partial.InterResultsTest Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.019 sec <<< FA ILURE! Running org.apache.mahout.common.iterator.TestFixedSizeSampler Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.df.split.DefaultIgSplitTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec Running org.apache.mahout.ga.watchmaker.EvalMapperTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.084 sec Running org.apache.mahout.classifier.discriminative.WinnowTrainerTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 sec Running org.apache.mahout.df.split.OptIgSplitTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.165 sec Running org.apache.mahout.df.mapreduce.partial.Step2MapperTest Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.011 sec <<< FA ILURE! Running org.apache.mahout.common.iterator.IteratorUtilsTest Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.recommender.NullRescorerTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.df.mapred.partial.Step0JobTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.062 sec Running org.apache.mahout.cf.taste.impl.common.BitSetTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.df.data.DescriptorUtilsTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.df.builder.DefaultTreeBuilderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.model.GenericItemPreferenceArrayTest Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.common.SamplingLongPrimitiveIteratorTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.df.mapreduce.inmem.InMemInputSplitTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec Running org.apache.mahout.df.mapreduce.partial.PartitionBugTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.065 sec Running org.apache.mahout.df.data.DataConverterTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.cf.taste.impl.LoadTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 20.107 sec Running org.apache.mahout.common.StringUtilsTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.df.mapred.partial.PartialBuilderTest Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.015 sec <<< FA ILURE! Running org.apache.mahout.common.distance.TestEuclideanDistanceMeasure Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec Running org.apache.mahout.cf.taste.impl.recommender.GenericUserBasedRecommenderT est Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec Running org.apache.mahout.clustering.TestPrintableInterface Tests run: 22, Failures: 19, Errors: 0, Skipped: 0, Time elapsed: 0.037 sec <<< FAILURE! Running org.apache.mahout.classifier.discriminative.PerceptronTrainerTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.df.mapred.inmem.InMemInputSplitTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.ga.watchmaker.MahoutEvaluatorTest Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.024 sec <<< FA ILURE! Running org.apache.mahout.fpm.pfpgrowth.FPGrowthTest Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.018 sec <<< FA ILURE! Running org.apache.mahout.clustering.dirichlet.TestMapReduce Tests run: 11, Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 0.176 sec <<< F AILURE! Running org.apache.mahout.common.distance.TestWeightedManhattanDistanceMeasure Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.013 sec Running org.apache.mahout.common.iterator.TestStableFixedSizeSampler Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec Running org.apache.mahout.common.iterator.EmptyIteratorTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.cf.taste.impl.similarity.SpearmanCorrelationSimilarity Test Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.01 sec Running org.apache.mahout.cf.taste.impl.similarity.TanimotoCoefficientSimilarity Test Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec Running org.apache.mahout.cf.taste.impl.recommender.CachingRecommenderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec Running org.apache.mahout.ga.watchmaker.STFitnessEvaluatorTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec Running org.apache.mahout.classifier.discriminative.LinearModelTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.common.CacheTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.854 sec Running org.apache.mahout.cf.taste.impl.recommender.ItemAverageRecommenderTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.common.distance.TestManhattanDistanceMeasure Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec Running org.apache.mahout.cf.taste.impl.transforms.ZScoreTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec Running org.apache.mahout.cf.taste.impl.similarity.GenericItemSimilarityTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec Running org.apache.mahout.cf.taste.common.CommonTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.common.distance.TestTanimotoDistanceMeasure Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec Running org.apache.mahout.df.mapreduce.partial.Step1MapperTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec Running org.apache.mahout.cf.taste.impl.common.LongPrimitiveArrayIteratorTest Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.clustering.fuzzykmeans.TestFuzzyKmeansClustering Tests run: 6, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.294 sec <<< FA ILURE! Running org.apache.mahout.cf.taste.impl.recommender.ItemUserAverageRecommenderTe st Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec Running org.apache.mahout.cf.taste.impl.common.FastIDSetTest Tests run: 10, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.24 sec Running org.apache.mahout.math.hadoop.TestDistributedRowMatrix Tests run: 4, Failures: 0, Errors: 4, Skipped: 0, Time elapsed: 0.054 sec <<< FA ILURE! Running org.apache.mahout.cf.taste.impl.model.file.FileDataModelTest Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.025 sec Running org.apache.mahout.cf.taste.impl.neighborhood.ThresholdNeighborhoodTest Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.cf.taste.impl.common.FastMapTest Tests run: 13, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.357 sec Running org.apache.mahout.df.mapreduce.partial.Step0JobTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.417 sec Running org.apache.mahout.df.mapred.inmem.InMemInputFormatTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.013 sec Running org.apache.mahout.classifier.bayes.BayesClassifierSelfTest Tests run: 2, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 0.13 sec <<< FAI LURE! Running org.apache.mahout.math.hadoop.decomposer.TestDistributedLanczosSolver Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 6.523 sec <<< FA ILURE! Running org.apache.mahout.cf.taste.impl.similarity.LogLikelihoodSimilarityTest Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec Running org.apache.mahout.df.data.DataLoaderTest Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.046 sec Results : Failed tests: testStartGroupingItems(org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest) testDirichletNormalModel(org.apache.mahout.clustering.TestPrintableInterface) testDirichletSampledNormalModel(org.apache.mahout.clustering.TestPrintableInte rface) testDirichletASNormalModel(org.apache.mahout.clustering.TestPrintableInterface ) testDirichletL1Model(org.apache.mahout.clustering.TestPrintableInterface) testDirichletNormalModelClusterAsFormatString(org.apache.mahout.clustering.Tes tPrintableInterface) testDirichletAsymmetricSampledNormalModelClusterAsFormatString(org.apache.maho ut.clustering.TestPrintableInterface) testDirichletL1ModelClusterAsFormatString(org.apache.mahout.clustering.TestPri ntableInterface) testCanopyAsFormatString(org.apache.mahout.clustering.TestPrintableInterface) testCanopyAsFormatStringSparse(org.apache.mahout.clustering.TestPrintableInter face) testCanopyAsFormatStringWithBindings(org.apache.mahout.clustering.TestPrintabl eInterface) testCanopyAsFormatStringSparseWithBindings(org.apache.mahout.clustering.TestPr intableInterface) testClusterAsFormatString(org.apache.mahout.clustering.TestPrintableInterface) testClusterAsFormatStringSparse(org.apache.mahout.clustering.TestPrintableInte rface) testClusterAsFormatStringWithBindings(org.apache.mahout.clustering.TestPrintab leInterface) testClusterAsFormatStringSparseWithBindings(org.apache.mahout.clustering.TestP rintableInterface) testMSCanopyAsFormatString(org.apache.mahout.clustering.TestPrintableInterface ) testMSCanopyAsFormatStringSparse(org.apache.mahout.clustering.TestPrintableInt erface) testMSCanopyAsFormatStringWithBindings(org.apache.mahout.clustering.TestPrinta bleInterface) testMSCanopyAsFormatStringSparseWithBindings(org.apache.mahout.clustering.Test PrintableInterface) Tests in error: testRandomSeedGenerator(org.apache.mahout.clustering.kmeans.TestRandomSeedGene rator) testProcessOutput(org.apache.mahout.df.mapreduce.partial.PartialBuilderTest) testKMeansMRJob(org.apache.mahout.clustering.kmeans.TestKmeansClustering) testKMeansWithCanopyClusterInput(org.apache.mahout.clustering.kmeans.TestKmean sClustering) testStartParallelCounting(org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest) testStartParallelFPGrowth(org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest) testCanopyGenManhattanMR(org.apache.mahout.clustering.canopy.TestCanopyCreatio n) testCanopyGenEuclideanMR(org.apache.mahout.clustering.canopy.TestCanopyCreatio n) testClusteringManhattanMR(org.apache.mahout.clustering.canopy.TestCanopyCreati on) testClusteringEuclideanMR(org.apache.mahout.clustering.canopy.TestCanopyCreati on) testUserDefinedDistanceMeasure(org.apache.mahout.clustering.canopy.TestCanopyC reation) testMapper(org.apache.mahout.df.mapred.partial.Step2MapperTest) testCanopyEuclideanMRJob(org.apache.mahout.clustering.meanshift.TestMeanShift) testStore(org.apache.mahout.df.mapreduce.partial.InterResultsTest) testLoad(org.apache.mahout.df.mapreduce.partial.InterResultsTest) testMapper(org.apache.mahout.df.mapreduce.partial.Step2MapperTest) testProcessOutput(org.apache.mahout.df.mapred.partial.PartialBuilderTest) testEvaluate(org.apache.mahout.ga.watchmaker.MahoutEvaluatorTest) testStoreLoadPopulation(org.apache.mahout.ga.watchmaker.MahoutEvaluatorTest) testMaxHeapFPGrowth(org.apache.mahout.fpm.pfpgrowth.FPGrowthTest) testDriverMRIterations(org.apache.mahout.clustering.dirichlet.TestMapReduce) testDriverMnRIterations(org.apache.mahout.clustering.dirichlet.TestMapReduce) testDriverMnRnIterations(org.apache.mahout.clustering.dirichlet.TestMapReduce) testDriverMnRnIterationsAsymmetric(org.apache.mahout.clustering.dirichlet.Test MapReduce) testFuzzyKMeansMRJob(org.apache.mahout.clustering.fuzzykmeans.TestFuzzyKmeansC lustering) testTranspose(org.apache.mahout.math.hadoop.TestDistributedRowMatrix) testMatrixTimesVector(org.apache.mahout.math.hadoop.TestDistributedRowMatrix) testMatrixTimesSquaredVector(org.apache.mahout.math.hadoop.TestDistributedRowM atrix) testMatrixTimesMatrix(org.apache.mahout.math.hadoop.TestDistributedRowMatrix) testSelfTestBayes(org.apache.mahout.classifier.bayes.BayesClassifierSelfTest) testSelfTestCBayes(org.apache.mahout.classifier.bayes.BayesClassifierSelfTest) testDistributedLanczosSolver(org.apache.mahout.math.hadoop.decomposer.TestDist ributedLanczosSolver) Tests run: 396, Failures: 20, Errors: 32, Skipped: 0 [INFO] ------------------------------------------------------------------------ [ERROR] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] There are test failures. Please refer to D:\Users\lefteris\workspace\mahout\core\target\surefire-reports for the individual test results. [INFO] ------------------------------------------------------------------------ [INFO] For more information, run Maven with the -e switch [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1 minute 23 seconds [INFO] Finished at: Thu Apr 01 20:17:07 EEST 2010 [INFO] Final Memory: 41M/98M [INFO] ------------------------------------------------------------------------ D:\Users\lefteris\workspace\mahout> > > Any more information? at least we'd need to see some more error > messages. > > I have a first guess though, did you set MAVEN_OPTS=-Xmx512m ? > > On Thu, Apr 1, 2010 at 5:48 PM, Eleftherios Spyromitros > <espyr...@csd.auth.gr> wrote: > > Hi all, > > > > > > > > I want to build a recommendation engine and think that Mahout is > perfectly > > suitable for this purpose. > > > > The problem is that I am really new to mahout and can't even install > it. > > > > I am under windows vista and I have correctly installed maven. I use > the > > command mvn install > > > > but the build fails in Mahout core because of test failures. > (Failures:20, > > Errors: 32) > > > > I used both the trunk version and mahout 0.3 with the same problems. > > > > > > > > Please give me a clue, I am trying for almost 2 days now.. > > > > > > > > Thanks in advance, > > > > Lefteris > > > > > > > > > > > > -- > > > > Eleftherios Spyromitros, M.Sc. Student of > > > > Informatics Aristotle University of Thessaloniki, GREECE > > > > espyr...@csd.auth.gr > > > > > > > >