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From Robin Anil <robin.a...@gmail.com>
Subject Re: Problems installing Mahout
Date Mon, 05 Apr 2010 20:50:11 GMT
try increasing MAVEN heap size

export MAVEN_OPTS=-Xmx1024m


On Tue, Apr 6, 2010 at 2:12 AM, Sergio <sergio@jovenclub.cu> wrote:

> Hello All !
> I'm really new in mahout !!! and i have a beginner question.
>
> Yesterday i downloaded mahout from SVN , i changed to core and when
>
> i make mvn compile everything was ok , then i make mvn install i get
>
> a message.
>
> [INFO] -------------------------------------------------------------
>
> [ERROR] BUILD FAILURE
>
> [INFO] -------------------------------------------------------------
>
> [INFO] There are test failures.
>
> so when i go to see what happend, in the file
>
> /trunk/core/target/surefire-reports
>
> /org.apache.mahout.clustering.TestPrintableInterface.txt
>
> i see ...
>
> -------------------------------------------------------------------
> Test set: org.apache.mahout.clustering.TestPrintableInterface
> -------------------------------------------------------------------
> Tests run: 22, Failures: 19, Errors: 0, Skipped: 0, Time elapsed:
> 0.119 sec <<<FAILURE!
> testDirichletNormalModel(org.apache.mahout.clustering.
> TestPrintableInterface)
> Time elapsed: 0.008 sec  <<< FAILURE!
> junit.framework.ComparisonFailure: format
> expected:<nm{n=0 m=[1[.100, 2.200,3.300] sd=0.]75}>
> but was:<nm{n=0 m=[1[,100, 2,200, 3,300] sd=0,]75}>
>
> at junit.framework.Assert.assertEquals(Assert.java:81)
> at org.apache.mahout.clustering.TestPrintableInterface.
> testDirichletNormalModel(TestPrintableInterface.java:55)
> 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 junit.framework.TestCase.runTest(TestCase.java:168)
> at junit.framework.TestCase.runBare(TestCase.java:134)
> at junit.framework.TestResult$1.protect(TestResult.java:110)
> at junit.framework.TestResult.runProtected(TestResult.java:128)
> at junit.framework.TestResult.run(TestResult.java:113)
> at junit.framework.TestCase.run(TestCase.java:124)
> at junit.framework.TestSuite.runTest(TestSuite.java:232)
> at junit.framework.TestSuite.run(TestSuite.java:227)
> at org.junit.internal.runners.JUnit38ClassRunner.run
> (JUnit38ClassRunner.java:83)
> at org.apache.maven.surefire.junit4.JUnit4TestSet.execute
> (JUnit4TestSet.java:59)
> at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite.
> executeTestSet(AbstractDirectoryTestSuite.java:115)
> at org.apache.maven.surefire.suite.AbstractDirectoryTestSuite
> .execute(AbstractDirectoryTestSuite.java:102)
> at org.apache.maven.surefire.Surefire.run(Surefire.java:180)
> 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.booter.SurefireBooter.
> runSuitesInProcess(SurefireBooter.java:350)
> at org.apache.maven.surefire.booter.SurefireBooter.main
> (SurefireBooter.java:1021)
>
> I have not copied the entire text because i saw the same error in
> the others error's reports.
> So I have been looking for a problem in the method code
> testDirichletNormalModel() seems to be that the variable model in
> TestPrintableInterface class has not the format expected.
> Could help me with this.
> I have another question, even with this error I can use the Mahout
> to go experimenting. I must implement a news recommendation system
> and according to what I've read Mahout is the most appropriate
> tool for these things.
>
> Thank you very much
> Sergio
>
> PS: Sorry for my English I'm Cuban and I do not write well in English.
>
>
>

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