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From "Peter Bacsko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6831) Flaky test TestJobImpl.testKilledDuringKillAbort
Date Mon, 09 Jan 2017 15:25:58 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6831?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15812037#comment-15812037
] 

Peter Bacsko commented on MAPREDUCE-6831:
-----------------------------------------

Simplest fix: not starting AsyncDispatcher does the job.

> Flaky test TestJobImpl.testKilledDuringKillAbort
> ------------------------------------------------
>
>                 Key: MAPREDUCE-6831
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6831
>             Project: Hadoop Map/Reduce
>          Issue Type: Test
>          Components: mrv2
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>         Attachments: MAPREDUCE-6831-001.patch
>
>
> The test case TestJobImpl.testKilledDuringKillAbort() is flaky.
> Example of a failure:
> {noformat:title=Error Message}
> expected:<SETUP> but was:<RUNNING>
> {noformat}
> {noformat:title=Stack Trace}
> java.lang.AssertionError: expected:<SETUP> but was:<RUNNING>
> 	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:144)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TestJobImpl.assertJobState(TestJobImpl.java:978)
> 	at org.apache.hadoop.mapreduce.v2.app.job.impl.TestJobImpl.testKilledDuringKillAbort(TestJobImpl.java:516)
> {noformat}
> {noformat:title=Standard Output}
> 2016-12-12 00:26:29,724 INFO  [Thread-12] event.AsyncDispatcher (AsyncDispatcher.java:register(202))
- Registering class org.apache.hadoop.mapreduce.v2.app.commit.CommitterEventType for class
org.apache.hadoop.mapreduce.v2.app.commit.CommitterEventHandler
> 2016-12-12 00:26:29,729 INFO  [Thread-12] event.AsyncDispatcher (AsyncDispatcher.java:register(202))
- Registering class org.apache.hadoop.mapreduce.v2.app.job.event.JobEventType for class org.apache.hadoop.mapreduce.v2.app.job.impl.TestJobImpl$StubbedJob
> 2016-12-12 00:26:29,729 INFO  [Thread-12] event.AsyncDispatcher (AsyncDispatcher.java:register(202))
- Registering class org.apache.hadoop.mapreduce.v2.app.job.event.TaskEventType for class org.apache.hadoop.yarn.event.EventHandler$$EnhancerByMockitoWithCGLIB$$2a4993a5
> 2016-12-12 00:26:29,730 INFO  [Thread-12] event.AsyncDispatcher (AsyncDispatcher.java:register(202))
- Registering class org.apache.hadoop.mapreduce.jobhistory.EventType for class org.apache.hadoop.yarn.event.EventHandler$$EnhancerByMockitoWithCGLIB$$2a4993a5
> 2016-12-12 00:26:29,730 INFO  [Thread-12] event.AsyncDispatcher (AsyncDispatcher.java:register(202))
- Registering class org.apache.hadoop.mapreduce.v2.app.job.event.JobFinishEvent$Type for class
org.apache.hadoop.yarn.event.EventHandler$$EnhancerByMockitoWithCGLIB$$2a4993a5
> 2016-12-12 00:26:29,730 INFO  [Thread-12] impl.JobImpl (JobImpl.java:setup(1523)) - Adding
job token for job_1234567890000_0001 to jobTokenSecretManager
> 2016-12-12 00:26:29,731 WARN  [Thread-12] impl.JobImpl (JobImpl.java:setup(1529)) - Shuffle
secret key missing from job credentials. Using job token secret as shuffle secret.
> 2016-12-12 00:26:29,733 INFO  [Thread-12] impl.JobImpl (JobImpl.java:makeUberDecision(1294))
- Not uberizing job_1234567890000_0001 because: not enabled;
> 2016-12-12 00:26:29,734 INFO  [Thread-12] impl.JobImpl (JobImpl.java:createMapTasks(1551))
- Input size for job job_1234567890000_0001 = 0. Number of splits = 2
> 2016-12-12 00:26:29,734 INFO  [Thread-12] impl.JobImpl (JobImpl.java:createReduceTasks(1568))
- Number of reduces for job job_1234567890000_0001 = 1
> 2016-12-12 00:26:29,734 INFO  [Thread-12] impl.JobImpl (JobImpl.java:handle(1006)) -
job_1234567890000_0001Job Transitioned from NEW to INITED
> 2016-12-12 00:26:29,736 INFO  [CommitterEvent Processor #0] commit.CommitterEventHandler
(CommitterEventHandler.java:run(231)) - Processing the event EventType: JOB_SETUP
> 2016-12-12 00:26:29,737 INFO  [Thread-12] impl.JobImpl (JobImpl.java:handle(1006)) -
job_1234567890000_0001Job Transitioned from INITED to SETUP
> 2016-12-12 00:26:29,738 INFO  [AsyncDispatcher event handler] impl.JobImpl (JobImpl.java:handle(1006))
- job_1234567890000_0001Job Transitioned from SETUP to RUNNING
> {noformat}
> Reproduction: insert a {{Thread.sleep(50);}} after {{job.handle(new JobStartEvent(jobId));}}



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