This last one is actually more like a non-deterministic test that probably
needs a restart strategy to radically decrease the probability of failure
or needs a slightly more relaxed threshold.



On Fri, Jun 7, 2013 at 7:32 AM, Grant Ingersoll <[email protected]> wrote:

> Here's another one:
> testClustering(org.apache.mahout.clustering.streaming.cluster.BallKMeansTest)
>  Time elapsed: 2.817 sec  <<< FAILURE!
> java.lang.AssertionError: expected:<625.0> but was:<753.0>
>         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)
>
>
> I suspect that we still have issues w/ the parallel testing, as it doesn't
> show up in repeated runs and it isn't consistent.
>
> On Jun 7, 2013, at 6:10 AM, Grant Ingersoll <[email protected]> wrote:
>
> > testTranspose(org.apache.mahout.math.hadoop.TestDistributedRowMatrix)
>  Time elapsed: 1.569 sec  <<< ERROR!
> > org.apache.hadoop.mapred.FileAlreadyExistsException: Output directory
> file:/tmp/mahout-TestDistributedRowMatrix-8146721276637462528/testdata/transpose-24
> already exists
> >       at
> org.apache.hadoop.mapred.FileOutputFormat.checkOutputSpecs(FileOutputFormat.java:121)
> >       at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:951)
> >       at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:912)
> >       at java.security.AccessController.doPrivileged(Native Method)
> >       at javax.security.auth.Subject.doAs(Subject.java:396)
> >       at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1149)
> >       at
> org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:912)
> >       at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:886)
> >       at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1323)
> >       at
> org.apache.mahout.math.hadoop.DistributedRowMatrix.transpose(DistributedRowMatrix.java:238)
> >       at
> org.apache.mahout.math.hadoop.TestDistributedRowMatrix.testTranspose(TestDistributedRowMatrix.java:87)
> >
> >
> > Anyone seen this?  I'm guessing there are some conflicts due to order
> methods are run in.
>
> --------------------------------------------
> Grant Ingersoll | @gsingers
> http://www.lucidworks.com
>
>
>
>
>
>

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