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Posted to mapreduce-issues@hadoop.apache.org by "Haibo Chen (JIRA)" <ji...@apache.org> on 2017/03/02 00:44:45 UTC

[jira] [Created] (MAPREDUCE-6853) NMTokenSecretManagerInRM.createAndGetNMToken is not thread safe

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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