[YARN-7458] TestContainerManagerSecurity is still flakey

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0, 3.0.0-beta1
• Fix Version/s: 3.0.0, 3.1.0
• Component/s: test
• Target Version/s: 2.9.0, 3.0.0
• Hadoop Flags: Reviewed
• Assignee: Robert Kanter
• Reporter: Robert Kanter
• Created: 08/Nov/17 01:04
• Updated: 10/Jan/18 08:54
• Resolved: 09/Nov/17 01:40

Description

YARN-6150 made this less flakey, but we're still seeing an occasional issue here:

java.lang.NullPointerException
	at org.apache.hadoop.yarn.server.TestContainerManagerSecurity.waitForContainerToFinishOnNM(TestContainerManagerSecurity.java:420)
	at org.apache.hadoop.yarn.server.TestContainerManagerSecurity.testNMTokens(TestContainerManagerSecurity.java:356)
	at org.apache.hadoop.yarn.server.TestContainerManagerSecurity.testContainerManager(TestContainerManagerSecurity.java:167)

Issue Links

• is related to: YARN-6150 TestContainerManagerSecurity tests for Yarn Server are flakey
• is related to: YARN-7479 TestContainerManagerSecurity.testContainerManager[Simple] flaky in trunk