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Posted to common-issues@hadoop.apache.org by "Zsolt Venczel (JIRA)" <ji...@apache.org> on 2017/12/07 12:21:00 UTC
[jira] [Updated] (HADOOP-15098)
TestClusterTopology#testChooseRandom fails intermittently
[ https://issues.apache.org/jira/browse/HADOOP-15098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zsolt Venczel updated HADOOP-15098:
-----------------------------------
Attachment: HADOOP-15098.01.patch
Check ChiSquareTest three times as suggested by Knuth, Donald E.The Art of Computer Programming.vol.2.2 ed.Reading, MA: Addison-Wesley,1981, page 44
> TestClusterTopology#testChooseRandom fails intermittently
> ---------------------------------------------------------
>
> Key: HADOOP-15098
> URL: https://issues.apache.org/jira/browse/HADOOP-15098
> Project: Hadoop Common
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0
> Reporter: Zsolt Venczel
> Assignee: Zsolt Venczel
> Labels: flaky-test
> Attachments: HADOOP-15098.01.patch
>
>
> Flaky test failure:
> {code:java}
> java.lang.AssertionError
> Error
> Not choosing nodes randomly
> Stack Trace
> java.lang.AssertionError: Not choosing nodes randomly
> at org.apache.hadoop.net.TestClusterTopology.testChooseRandom(TestClusterTopology.java:170)
> {code}
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