Bibin A Chundatt created YARN-8980:
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Summary: Mapreduce application container start fail after AM
restart.
Key: YARN-8980
URL: https://issues.apache.org/jira/browse/YARN-8980
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Bibin A Chundatt
UAM to subclusters are always launched with keepContainers.
On AM restart scenarios , UAM register again with RM . UAM receive running
containers with NMToken. NMToken received by UAM in
getPreviousAttemptContainersNMToken is never used by mapreduce application.
Federation Interceptor should take care of such scenarios too. Merge NMToken
received at registration to allocate response.
Container allocation response on same node will have NMToken empty.
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