Details
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Test
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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Reviewed
Description
The test case TestJobImpl.testKilledDuringKillAbort() is flaky.
Example of a failure:
Error Message
expected:<SETUP> but was:<RUNNING>
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)
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
Reproduction: insert a Thread.sleep(50); after job.handle(new JobStartEvent(jobId));