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https://issues.apache.org/jira/browse/YARN-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15169624#comment-15169624
]
Eric Badger commented on YARN-4686:
-----------------------------------
I am unable to reproduce any of the JUnit timeout failures (TestYarnCLI,
TestAMRMClient, TestYarnClient, TestNMClient) locally via trunk or via trunk
with my patch added.
TestMiniYarnClusterNodeUtilization fails locally in both trunk and with my
patch.
TestContainerManagerSecurity passes locally in both trunk and with my patch.
TestGetGroups has an Ignore annotation, so we can probably ignore that error.
TestApplicationClientProtocolOnHA passes locally on trunk and fails locally
with my patch. However, there are a non-deterministic amount of tests failing
with the same error in the initialization code.
{noformat}
java.lang.AssertionError: NMs failed to connect to the RM
at org.junit.Assert.fail(Assert.java:88)
at org.junit.Assert.assertTrue(Assert.java:41)
at
org.apache.hadoop.yarn.client.ProtocolHATestBase.verifyConnections(ProtocolHATestBase.java:219)
at
org.apache.hadoop.yarn.client.ProtocolHATestBase.startHACluster(ProtocolHATestBase.java:284)
at
org.apache.hadoop.yarn.client.TestApplicationClientProtocolOnHA.initiate(TestApplicationClientProtocolOnHA.java:54)
{noformat}
> MiniYARNCluster.start() returns before cluster is completely started
> --------------------------------------------------------------------
>
> Key: YARN-4686
> URL: https://issues.apache.org/jira/browse/YARN-4686
> Project: Hadoop YARN
> Issue Type: Bug
> Components: test
> Reporter: Rohith Sharma K S
> Assignee: Eric Badger
> Attachments: MAPREDUCE-6507.001.patch, YARN-4686.001.patch
>
>
> TestRMNMInfo fails intermittently. Below is trace for the failure
> {noformat}
> 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)
> {noformat}
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