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From "Stephen O'Donnell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13375) o.a.h.security.TestGroupsCaching.testBackgroundRefreshCounters seems flaky
Date Wed, 20 Jul 2016 18:50:20 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13375?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15386423#comment-15386423
] 

Stephen O'Donnell commented on HADOOP-13375:
--------------------------------------------

I'll try to get a look at this - we had concerns that the sleeps in the tests were troublesome,
but I copied the pattern in the existing tests when adding the new ones. I'm open to any good
ideas about how to factor the sleeps out of the tests, and I'll have a think about it myself
too.

> o.a.h.security.TestGroupsCaching.testBackgroundRefreshCounters seems flaky
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-13375
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13375
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security, test
>    Affects Versions: 2.8.0
>            Reporter: Mingliang Liu
>
> h5. Error Message
> bq. expected:<1> but was:<0>
> h5. Stacktrace
> {quote}
> java.lang.AssertionError: expected:<1> but was:<0>
> 	at org.junit.Assert.fail(Assert.java:88)
> 	at org.junit.Assert.failNotEquals(Assert.java:743)
> 	at org.junit.Assert.assertEquals(Assert.java:118)
> 	at org.junit.Assert.assertEquals(Assert.java:555)
> 	at org.junit.Assert.assertEquals(Assert.java:542)
> 	at org.apache.hadoop.security.TestGroupsCaching.testBackgroundRefreshCounters(TestGroupsCaching.java:638)
> {quote}



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