[MAPREDUCE-3872] event handling races in ContainerLauncherImpl and TestContainerLauncher

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.1
• Fix Version/s: 2.1.0-beta
• Component/s: client, mrv2
• Hadoop Flags: Reviewed
• Assignee: Robert Kanter
• Reporter: Patrick D. Hunt
• Created: 16/Feb/12 23:19
• Updated: 27/Aug/13 22:22
• Resolved: 21/Mar/13 21:57

Description

TestContainerLauncher is failing intermittently for me.

junit.framework.AssertionFailedError: Expected: <null> but was: Expected 22 but found 21
	at junit.framework.Assert.fail(Assert.java:47)
	at junit.framework.Assert.assertTrue(Assert.java:20)
	at junit.framework.Assert.assertNull(Assert.java:233)
	at junit.framework.Assert.assertNull(Assert.java:226)
	at org.apache.hadoop.mapreduce.v2.app.launcher.TestContainerLauncher.testPoolSize(TestContainerLauncher.java:117)

Patch momentarily.

Issue Links

• is duplicated by: MAPREDUCE-5080 TestContainerLauncher fails on Windows due to assertion failures on event/thread counts