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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8392) TestMetricMBeanBase#testGetAttribute is flakey under hadoop2 profile
Date Fri, 26 Apr 2013 08:36:24 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13642677#comment-13642677
] 

Hudson commented on HBASE-8392:
-------------------------------

Integrated in hbase-0.95 #163 (See [https://builds.apache.org/job/hbase-0.95/163/])
    HBASE-8392 TestMetricMBeanBase#testGetAttribute is flakey under hadoop2 profile (Revision
1475997)

     Result = FAILURE
eclark : 
Files : 
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/metrics/TestExactCounterMetric.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/metrics/TestExponentiallyDecayingSample.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/metrics/TestMetricsHistogram.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/metrics/TestMetricsMBeanBase.java

                
> TestMetricMBeanBase#testGetAttribute is flakey under hadoop2 profile
> --------------------------------------------------------------------
>
>                 Key: HBASE-8392
>                 URL: https://issues.apache.org/jira/browse/HBASE-8392
>             Project: HBase
>          Issue Type: Sub-task
>          Components: hadoop2, metrics, test
>    Affects Versions: 0.98.0, 0.95.0
>            Reporter: Jonathan Hsieh
>            Assignee: Elliott Clark
>             Fix For: 0.98.0, 0.95.1
>
>         Attachments: HBASE-8392-0.patch
>
>
> This specific small unit tests flakes out occasionally and blocks the medium and large
tests from running.
> Here's an error trace:
> {code}
> Error Message
> expected:<2.0> but was:<0.125>
> Stacktrace
> junit.framework.AssertionFailedError: expected:<2.0> but was:<0.125>
> 	at junit.framework.Assert.fail(Assert.java:57)
> 	at junit.framework.Assert.failNotEquals(Assert.java:329)
> 	at junit.framework.Assert.assertEquals(Assert.java:120)
> 	at junit.framework.Assert.assertEquals(Assert.java:129)
> 	at junit.framework.TestCase.assertEquals(TestCase.java:288)
> 	at org.apache.hadoop.hbase.metrics.TestMetricsMBeanBase.testGetAttribute(TestMetricsMBeanBase.java:93)
> 	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 junit.framework.TestCase.runTest(TestCase.java:176)
> 	at junit.framework.TestCase.runBare(TestCase.java:141)
> 	at junit.framework.TestResult$1.protect(TestResult.java:122)
> 	at junit.framework.TestResult.runProtected(TestResult.java:142)
> 	at junit.framework.TestResult.run(TestResult.java:125)
> 	at junit.framework.TestCase.run(TestCase.java:129)
> 	at junit.framework.TestSuite.runTest(TestSuite.java:255)
> 	at junit.framework.TestSuite.run(TestSuite.java:250)
> 	at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:84)
> 	at org.junit.runners.Suite.runChild(Suite.java:127)
> 	at org.junit.runners.Suite.runChild(Suite.java:26)
> 	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
> 	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> 	at java.lang.Thread.run(Thread.java:662)
> {code}
> [~eclark] took a quick look and will chime in on this.

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