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https://issues.apache.org/jira/browse/MAHOUT-1279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13721230#comment-13721230
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Suneel Marthi commented on MAHOUT-1279:
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[~ebagdemir] Could you check this problem again? We had been seeing the
non-deterministic behavior of random tests failing when we recently switched to
running multiple tests in Parallel with multiple threads. But seems like we are
back to running tests the old way in Mahout trunk.
I am not able to see this issue with the present codebase in trunk, but I agree
with you that I had seen this test fail randomly when we had parallel tests
with multiple threads.
I would like to Resolve this issue as 'Not a Problem' or 'Cannot Reproduce'
after I hear from you.
> The test "TestMinHashClustering" fails in Mahout core
> -----------------------------------------------------
>
> Key: MAHOUT-1279
> URL: https://issues.apache.org/jira/browse/MAHOUT-1279
> Project: Mahout
> Issue Type: Bug
> Components: Clustering
> Environment: MacOS X 1,6+, Java7, Maven 3+
> Reporter: Erhan Bagdemir
> Assignee: Suneel Marthi
> Priority: Critical
>
> Hey folks,
> i tried building the core component, but unfortunately the test
> TestMinHashClustering fails.
> Failed tests:
>
> TestMinHashClustering.testMurmurMinHashMRJobHashIndex:218->Assert.assertEquals:555->Assert.assertEquals:118->Assert.failNotEquals:743->Assert.fail:88
> MinHash MR Job Hash Index failed for MURMUR expected:<0> but was:<-1>
> Tests run: 834, Failures: 1, Errors: 0, Skipped: 0
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