[YARN-4686] MiniYARNCluster.start() returns before cluster is completely started

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 2.7.3, 3.0.0-alpha1
• Component/s: test
• Target Version/s: 2.8.0, 2.7.3
• Assignee: Eric Badger
• Reporter: Rohith Sharma K S
• Created: 09/Oct/15 09:52
• Updated: 14/Oct/19 15:38
• Resolved: 21/Mar/16 15:16

Description

TestRMNMInfo fails intermittently. Below is trace for the failure

testRMNMInfo(org.apache.hadoop.mapreduce.v2.TestRMNMInfo)  Time elapsed: 0.28 sec  <<< FAILURE!
java.lang.AssertionError: Unexpected number of live nodes: expected:<4> but was:<3>
	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:555)
	at org.apache.hadoop.mapreduce.v2.TestRMNMInfo.testRMNMInfo(TestRMNMInfo.java:111)

Issue Links

• breaks: YARN-4938 MiniYarnCluster should not request transitionToActive to RM on non-HA environment
• is duplicated by: MAPREDUCE-6623 TestRMNMInfo and TestNetworkedJob fails in trunk