Sangjin Lee created YARN-3562:
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Summary: unit tests fail with the failure to bring up node manager
Key: YARN-3562
URL: https://issues.apache.org/jira/browse/YARN-3562
Project: Hadoop YARN
Issue Type: Sub-task
Components: timelineserver
Affects Versions: YARN-2928
Reporter: Sangjin Lee
Priority: Minor
A bunch of MR unit tests are failing on our branch whenever the mini YARN
cluster needs to bring up multiple node managers.
For example, see
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/5472/testReport/org.apache.hadoop.mapred/TestClusterMapReduceTestCase/testMapReduceRestarting/
It is because the NMCollectorService is using a fixed port for the RPC (8048).
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