Haibo Chen created MAPREDUCE-6853:
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Summary: NMTokenSecretManagerInRM.createAndGetNMToken is not
thread safe
Key: MAPREDUCE-6853
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6853
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: yarn
Affects Versions: 3.0.0-alpha2
Reporter: Haibo Chen
Assignee: Haibo Chen
NMTokenSecretManagerInRM.createAndGetNMToken modifies values of a
ConcurrentHashMap, which are of type HashTable, but it only acquires read lock.
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