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https://issues.apache.org/jira/browse/MAPREDUCE-4924?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13554493#comment-13554493
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Hadoop QA commented on MAPREDUCE-4924:
--------------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12565019/MAPREDUCE-4924.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:red}-1 core tests{color}. The patch failed these unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient:
org.apache.hadoop.mapred.TestYARNRunner
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3245//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/3245//console
This message is automatically generated.
> flakey test: org.apache.hadoop.mapred.TestClusterMRNotification.testMR
> ----------------------------------------------------------------------
>
> Key: MAPREDUCE-4924
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4924
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv1
> Affects Versions: 2.0.2-alpha
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Priority: Trivial
> Attachments: MAPREDUCE-4924_branch-1.patch,
> MAPREDUCE-4924_branch-1.patch, MAPREDUCE-4924.patch, MAPREDUCE-4924.patch
>
>
> I occasionally get a failure like this on
> {{org.apache.hadoop.mapred.TestClusterMRNotification.testMR}}
> {code}
> junit.framework.AssertionFailedError: expected:<6> but was:<4>
> at junit.framework.Assert.fail(Assert.java:47)
> at junit.framework.Assert.failNotEquals(Assert.java:283)
> at junit.framework.Assert.assertEquals(Assert.java:64)
> at junit.framework.Assert.assertEquals(Assert.java:195)
> at junit.framework.Assert.assertEquals(Assert.java:201)
> at
> org.apache.hadoop.mapred.NotificationTestCase.testMR(NotificationTestCase.java:184)
> ...
> {code}
> It looks like a race condition:
> {code}
> // run a job with FAILED status
> System.out.println(UtilsForTests.runJobFail(this.createJobConf(), inDir,
> outDir).getID());
> Thread.sleep(2000);
> assertEquals(6, NotificationServlet.counter);
> assertEquals(0, NotificationServlet.failureCounter);
> {code}
> Instead of sleeping for 2 seconds, we should keep checking the counter and
> fail after a timeout. There's a couple of similar places in the test that
> should be fixed too.
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