这是我在主干目录中执行 mvn clean install 时遇到的错误。一些测试失败并且没有安装核心。关于什么可能出错的任何建议？我已经安装了 maven，并且我知道它已正确安装，因为 mvn --version 有效。
这是整个输出：
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for org.apache.mahout:mahout-integration:jar:0.7-SNAPSHOT
[WARNING] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: ${project.groupId}:mahout-core:jar -> duplicate declaration of version (?) @ line 121, column 17
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] Apache Mahout
[INFO] Mahout Build Tools
[INFO] Mahout Math
[INFO] Mahout Core
[INFO] Mahout Integration
[INFO] Mahout Examples
[INFO] Mahout Release Package
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Apache Mahout 0.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ mahout ---
[INFO] Deleting /opt/ibm/biginsights/trunk/target
[INFO]
[INFO] --- maven-remote-resources-plugin:1.1:process (default) @ mahout ---
[INFO] Setting property: classpath.resource.loader.class => 'org.codehaus.plexus.velocity.ContextClassLoaderResourceLoader'.
[INFO] Setting property: velocimacro.messages.on => 'false'.
[INFO] Setting property: resource.loader => 'classpath'.
[INFO] Setting property: resource.manager.logwhenfound => 'false'.
[INFO]
[INFO] --- maven-install-plugin:2.3.1:install (default-install) @ mahout ---
[INFO] Installing /opt/ibm/biginsights/trunk/pom.xml to /root/.m2/repository/org/apache/mahout/mahout/0.7-SNAPSHOT/mahout-0.7-SNAPSHOT.pom
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Mahout Build Tools 0.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ mahout-buildtools ---
[INFO] Deleting /opt/ibm/biginsights/trunk/buildtools/target
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ mahout-buildtools ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 6 resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ mahout-buildtools ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:testResources (default-testResources) @ mahout-buildtools ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /opt/ibm/biginsights/trunk/buildtools/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ mahout-buildtools ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.8.1:test (default-test) @ mahout-buildtools ---
[INFO] No tests to run.
[INFO] Surefire report directory: /opt/ibm/biginsights/trunk/buildtools/target/surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
There are no tests to run.
Results :
Tests run: 0, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO] --- maven-jar-plugin:2.3.1:jar (default-jar) @ mahout-buildtools ---
[INFO] Building jar: /opt/ibm/biginsights/trunk/buildtools/target/mahout-buildtools-0.7-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.3.1:install (default-install) @ mahout-buildtools ---
[INFO] Installing /opt/ibm/biginsights/trunk/buildtools/target/mahout-buildtools-0.7-SNAPSHOT.jar to /root/.m2/repository/org/apache/mahout/mahout-buildtools/0.7-SNAPSHOT/mahout-buildtools-0.7-SNAPSHOT.jar
[INFO] Installing /opt/ibm/biginsights/trunk/buildtools/pom.xml to /root/.m2/repository/org/apache/mahout/mahout-buildtools/0.7-SNAPSHOT/mahout-buildtools-0.7-SNAPSHOT.pom
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Mahout Math 0.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ mahout-math ---
[INFO] Deleting /opt/ibm/biginsights/trunk/math/target
[INFO]
[INFO] --- mahout-collection-codegen-plugin:1.0:generate (default) @ mahout-math ---
[INFO] Writing to /opt/ibm/biginsights/trunk/math/target/generated-sources/org/apache
[INFO]
......
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ mahout-math ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /opt/ibm/biginsights/trunk/math/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ mahout-math ---
[INFO] Compiling 347 source files to /opt/ibm/biginsights/trunk/math/target/classes
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:testResources (default-testResources) @ mahout-math ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 2 resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ mahout-math ---
[INFO] Compiling 118 source files to /opt/ibm/biginsights/trunk/math/target/test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.8.1:test (default-test) @ mahout-math ---
[INFO] Surefire report directory: /opt/ibm/biginsights/trunk/math/target/surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.mahout.math.als.AlternatingLeastSquaresSolverTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.803 sec
Running org.apache.mahout.math.TestSparseMatrix
Tests run: 57, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.19 sec
Running org.apache.mahout.math.decomposer.hebbian.TestHebbianSolver
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.991 sec
Running org.apache.mahout.math.decomposer.lanczos.TestLanczosSolver
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.078 sec
Running org.apache.mahout.math.PivotedMatrixTest
Tests run: 58, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.287 sec
Running org.apache.mahout.math.TestDenseVector
Tests run: 39, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec
Running org.apache.mahout.math.TestSparseColumnMatrix
Tests run: 57, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 sec
Running org.apache.mahout.math.TestDenseMatrix
Tests run: 57, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec
Running org.apache.mahout.math.list.ShortArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec
Running org.apache.mahout.math.list.ByteArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.419 sec
Running org.apache.mahout.math.list.LongArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.list.IntArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.list.CharArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.list.FloatArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.list.DoubleArrayListTest
Tests run: 18, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.VectorTest
Tests run: 20, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.009 sec
Running org.apache.mahout.math.stats.OnlineSummarizerTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.055 sec
Running org.apache.mahout.math.stats.OnlineExponentialAverageTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.stats.LogLikelihoodTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec
Running org.apache.mahout.math.QRDecompositionTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.041 sec
Running org.apache.mahout.math.TestSingularValueDecomposition
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.TestSparseRowMatrix
Tests run: 57, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 sec
Running org.apache.mahout.math.TestOrderedIntDoubleMapping
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
Running org.apache.mahout.math.TestRandomAccessSparseVector
Tests run: 39, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.011 sec
Running org.apache.mahout.math.solver.TestConjugateGradientSolver
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.012 sec
Running org.apache.mahout.math.solver.LSMRTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.solver.EigenDecompositionTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.155 sec
Running org.apache.mahout.math.jet.random.engine.MersenneTwisterTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.jet.random.GammaTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.589 sec
Running org.apache.mahout.math.jet.random.ExponentialTest
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.832 sec
Running org.apache.mahout.math.jet.random.NegativeBinomialTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.074 sec
Running org.apache.mahout.math.jet.random.NormalTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.267 sec
Running org.apache.mahout.math.jet.stat.ProbabilityTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.015 sec
Running org.apache.mahout.math.jet.stat.GammaTest
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.128 sec
Running org.apache.mahout.math.PermutedVectorViewTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec
Running org.apache.mahout.math.TestVectorView
Tests run: 35, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.032 sec
Running org.apache.mahout.math.map.OpenByteShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.map.OpenCharFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenShortShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenDoubleShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.map.OpenFloatLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenIntFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenShortObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.map.OpenObjectIntHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.05 sec
Running org.apache.mahout.math.map.OpenFloatCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenDoubleByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenByteFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenIntObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenIntIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenDoubleObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.map.OpenDoubleDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenByteByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenCharCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenFloatByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenShortDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenIntDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenCharDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenDoubleIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.113 sec
Running org.apache.mahout.math.map.OpenShortLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenByteIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenObjectDoubleHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.map.OpenLongShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenIntByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenCharShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenObjectShortHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.map.OpenLongFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenLongLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenDoubleFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenCharObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenObjectFloatHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenShortFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenByteCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.124 sec
Running org.apache.mahout.math.map.OpenDoubleCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenFloatShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenIntLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenShortIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenShortByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenIntShortHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenObjectCharHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenByteDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenObjectLongHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenByteLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenByteObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenShortCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenLongObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenFloatFloatHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenCharLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenLongIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.019 sec
Running org.apache.mahout.math.map.OpenLongDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenDoubleLongHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenFloatObjectHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.map.OpenLongByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenFloatIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenFloatDoubleHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenCharByteHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenIntCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.005 sec
Running org.apache.mahout.math.map.OpenCharIntHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenLongCharHashMapTest
Tests run: 17, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.006 sec
Running org.apache.mahout.math.map.OpenObjectByteHashMapTest
Tests run: 19, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.007 sec
Running org.apache.mahout.math.MurmurHashTest
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.008 sec
Running org.apache.mahout.math.MurmurHash3Test
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.003 sec
Running org.apache.mahout.math.CholeskyDecompositionTest
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.944 sec
Running org.apache.mahout.math.TestSequentialAccessSparseVector
Tests run: 39, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.032 sec
Running org.apache.mahout.math.set.OpenDoubleHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.set.OpenShortHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.set.OpenIntHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.set.OpenCharHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.001 sec
Running org.apache.mahout.math.set.OpenFloatHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.set.OpenLongHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.set.OpenByteHashSetTest
Tests run: 9, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.002 sec
Running org.apache.mahout.math.TestMatrixView
Tests run: 48, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.051 sec
Running org.apache.mahout.math.ssvd.SequentialBigSvdTest
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.019 sec
Running org.apache.mahout.common.RandomUtilsTest
Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.016 sec
Results :
Tests run: 1867, Failures: 0, Errors: 0, Skipped: 0
[INFO]
[INFO] --- maven-jar-plugin:2.3.1:jar (default-jar) @ mahout-math ---
[INFO] Building jar: /opt/ibm/biginsights/trunk/math/target/mahout-math-0.7-SNAPSHOT.jar
[INFO]
[INFO] --- maven-jar-plugin:2.3.1:test-jar (default) @ mahout-math ---
[INFO] Building jar: /opt/ibm/biginsights/trunk/math/target/mahout-math-0.7-SNAPSHOT-tests.jar
[INFO]
[INFO] --- maven-source-plugin:2.1.2:jar-no-fork (attach-sources) @ mahout-math ---
[INFO] org already added, skipping
[INFO] org/apache already added, skipping
[INFO] org/apache/mahout already added, skipping
[INFO] org/apache/mahout/math already added, skipping
[INFO] org/apache/mahout/math/list already added, skipping
[INFO] org/apache/mahout/math/function already added, skipping
[INFO] org/apache/mahout/math/map already added, skipping
[INFO] org/apache/mahout/math/set already added, skipping
[INFO] Building jar: /opt/ibm/biginsights/trunk/math/target/mahout-math-0.7-SNAPSHOT-sources.jar
[INFO] org already added, skipping
[INFO] org/apache already added, skipping
[INFO] org/apache/mahout already added, skipping
[INFO] org/apache/mahout/math already added, skipping
[INFO] org/apache/mahout/math/list already added, skipping
[INFO] org/apache/mahout/math/function already added, skipping
[INFO] org/apache/mahout/math/map already added, skipping
[INFO] org/apache/mahout/math/set already added, skipping
[INFO]
[INFO] --- maven-install-plugin:2.3.1:install (default-install) @ mahout-math ---
[INFO] Installing /opt/ibm/biginsights/trunk/math/target/mahout-math-0.7-SNAPSHOT.jar to /root/.m2/repository/org/apache/mahout/mahout-math/0.7-SNAPSHOT/mahout-math-0.7-SNAPSHOT.jar
[INFO] Installing /opt/ibm/biginsights/trunk/math/pom.xml to /root/.m2/repository/org/apache/mahout/mahout-math/0.7-SNAPSHOT/mahout-math-0.7-SNAPSHOT.pom
[INFO] Installing /opt/ibm/biginsights/trunk/math/target/mahout-math-0.7-SNAPSHOT-tests.jar to /root/.m2/repository/org/apache/mahout/mahout-math/0.7-SNAPSHOT/mahout-math-0.7-SNAPSHOT-tests.jar
[INFO] Installing /opt/ibm/biginsights/trunk/math/target/mahout-math-0.7-SNAPSHOT-sources.jar to /root/.m2/repository/org/apache/mahout/mahout-math/0.7-SNAPSHOT/mahout-math-0.7-SNAPSHOT-sources.jar
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Mahout Core 0.7-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.4.1:clean (default-clean) @ mahout-core ---
[INFO] Deleting /opt/ibm/biginsights/trunk/core/target
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ mahout-core ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 1 resource
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ mahout-core ---
[INFO] Compiling 645 source files to /opt/ibm/biginsights/trunk/core/target/classes
[INFO]
[INFO] --- maven-antrun-plugin:1.6:run (default) @ mahout-core ---
[WARNING] Parameter tasks is deprecated, use target instead
[INFO] Executing tasks
main:
[copy] Copying 1 file to /opt/ibm/biginsights/trunk/core/target/classes
[INFO] Executed tasks
[INFO]
[INFO] --- maven-resources-plugin:2.4.3:testResources (default-testResources) @ mahout-core ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 6 resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ mahout-core ---
[INFO] Compiling 228 source files to /opt/ibm/biginsights/trunk/core/target/test-classes
[INFO]
[INFO] --- maven-surefire-plugin:2.8.1:test (default-test) @ mahout-core ---
[INFO] Surefire report directory: /opt/ibm/biginsights/trunk/core/target/surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.apache.mahout.cf.taste.hadoop.als.ParallelALSFactorizationJobTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 43.663 sec
...
Running org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDPCADenseTest
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 11.226 sec <<< FAILURE!
Running org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverDenseTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 49.06 sec
Running org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverSparseSequentialTest
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 11.181 sec <<< FAILURE!
Running org.apache.mahout.math.hadoop.stochasticsvd.SSVDCommonTest
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.014 sec
... 测试运行：1，失败：0，错误：0，跳过：0，经过时间：0.016 秒运行 org.apache.mahout.classifier.df.tools.VisualizerTest 测试运行：3，失败：2，错误： 0，跳过：0，经过时间：0.012 秒 <<< 失败！运行 org.apache.mahout.classifier.df.data.DataTest 测试运行：10，失败：0，错误：0，跳过：0，经过时间：0.184 秒 ... 运行 org.apache.mahout.fpm.pfpgrowth。 FPGrowthSyntheticDataTest 测试运行：2，失败：0，错误：0，跳过：0，经过时间：126.143 秒运行 org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest 测试运行：2，失败：0，错误：2，跳过： 0，经过的时间：11.852 秒 <<< 失败！运行 org.apache.mahout.fpm.pfpgrowth.PFPGrowthRetailDataTest 测试运行：2，失败：0，错误：2，跳过：0，经过时间：14.917 秒 <<< 失败！运行 org.apache.mahout.fpm.pfpgrowth.fpgrowth.FrequentPatternMaxHeapTest 测试运行：1，失败：0，错误：0，跳过：0，经过时间：0.088 秒...结果：
Failed tests:
testTreeVisualize(org.apache.mahout.classifier.df.tools.VisualizerTest): expected:<
testForestVisualize(org.apache.mahout.classifier.df.tools.VisualizerTest): expected:<Tree[1]:
Tests in error:
runPCATest1(org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDPCADenseTest): Bt job unsuccessful.
testSSVDSolverPowerIterations1(org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverSparseSequentialTest): Bt job unsuccessful.
testStartParallelFPGrowth(org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest): Job failed!
testStartParallelFPGrowthInSteps(org.apache.mahout.fpm.pfpgrowth.PFPGrowthTest): Job failed!
testRetailDataMinSup100(org.apache.mahout.fpm.pfpgrowth.PFPGrowthRetailDataTest): Job failed!
testRetailDataMinSup100InSteps(org.apache.mahout.fpm.pfpgrowth.PFPGrowthRetailDataTest): Job failed!
Tests run: 674, Failures: 2, Errors: 6, Skipped: 1