[YARN-4169] Fix racing condition of TestNodeStatusUpdaterForLabels

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: test

Environment

Jenkins

• Hadoop Flags: Reviewed
• Assignee: Naganarasimha G R
• Reporter: Steve Loughran
• Created: 16/Sep/15 11:24
• Updated: 30/Aug/16 01:16
• Resolved: 26/Oct/15 23:42

Description

Test failing in [Jenkins build 402

java.lang.NullPointerException: null
	at java.util.HashSet.<init>(HashSet.java:118)
	at org.apache.hadoop.yarn.nodelabels.NodeLabelTestBase.assertNLCollectionEquals(NodeLabelTestBase.java:103)
	at org.apache.hadoop.yarn.server.nodemanager.TestNodeStatusUpdaterForLabels.testNodeStatusUpdaterForNodeLabels(TestNodeStatusUpdaterForLabels.java:268)