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https://issues.apache.org/jira/browse/YARN-4686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Badger updated YARN-4686:
------------------------------
Attachment: YARN-4686.004.patch
The new patch changes the waitForNodeManagersToConnect method in
MiniYARNCluster.java so that it waits for the total plan capacity to be greater
than 0 (to ensure that reservations can be made). It fixes the
TestYarnClient#testReservationAPIs test failure locally on my machine. However,
I'm not sure if this check should be in the MiniYARNCluster itself or whether
it should be in the test code that calls it, since only a small amount of tests
will actually be worried about the reservation system.
> 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,
> YARN-4686.002.patch, YARN-4686.003.patch, YARN-4686.004.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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