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From mBria <bria...@gmail.com>
Subject Test failure: org.apache.mahout.math.hadoop.decomposer.TestDistributedLanczosSolverCLI
Date Fri, 04 May 2012 18:55:30 GMT
Hi all,

Welcome me :-)  My first post to the forum, and my 2nd day knowing much at
all about Mahout - and my 2nd day bubbling with excitement to try it out and
get involved.  So, before I continue - thanks in advance for making this
available!

Anyway, I'm trying to get Mahout installed, and have encountered a test
failure trying to build.  ArrayIndexOutOfBoundsExceptionin
TestDistributedLanczosSolverCLI.

I do see https://issues.apache.org/jira/browse/MAHOUT-1005 seems to be
already on top of this (Ted/Jake), but I wanted to ask:
- if there's any idea when I can expect a fix
- if I can get/should a clean set of src with an older label/etc?  If, so
where would I point my svn co to do so?

Sorry if this a premature or silly ask, just hoping to this running before
the weekend to see what I can do with this.

Cheers,
Mike

The error:

-------------------------------------------------------------------------------
Test set:
org.apache.mahout.math.hadoop.decomposer.TestDistributedLanczosSolverCLI
-------------------------------------------------------------------------------
Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 212.194 sec
<<< FAILURE!
testDistributedLanczosSolverCLI(org.apache.mahout.math.hadoop.decomposer.TestDistributedLanczosSolverCLI)

Time elapsed: 42.674 sec  <<< ERROR!
java.lang.ArrayIndexOutOfBoundsException: 7
	at org.apache.mahout.math.DenseVector.getQuick(DenseVector.java:110)
	at
org.apache.mahout.math.solver.EigenDecomposition.tql2(EigenDecomposition.java:294)
	at
org.apache.mahout.math.solver.EigenDecomposition.<init>(EigenDecomposition.java:78)
	at
org.apache.mahout.math.solver.EigenDecomposition.<init>(EigenDecomposition.java:62)
	at
org.apache.mahout.math.decomposer.lanczos.LanczosSolver.solve(LanczosSolver.java:141)
	at
org.apache.mahout.math.hadoop.decomposer.DistributedLanczosSolver.run(DistributedLanczosSolver.java:201)
	at
org.apache.mahout.math.hadoop.decomposer.DistributedLanczosSolver.run(DistributedLanczosSolver.java:124)
	at
org.apache.mahout.math.hadoop.decomposer.DistributedLanczosSolver$DistributedLanczosSolverJob.run(DistributedLanczosSolver.java:284)
	at
org.apache.mahout.math.hadoop.decomposer.TestDistributedLanczosSolverCLI.testDistributedLanczosSolverCLI(TestDistributedLanczosSolverCLI.java:76)
	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:44)
	at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	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:31)
	at
org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
	at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
	at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at
org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
	at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:119)
	at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:101)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at
org.apache.maven.surefire.booter.ProviderFactory$ClassLoaderProxy.invoke(ProviderFactory.java:103)
	at $Proxy0.invoke(Unknown Source)
	at
org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:150)
	at
org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(SurefireStarter.java:91)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:69)


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