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Posted to dev@hive.apache.org by "Wei Zheng (JIRA)" <ji...@apache.org> on 2016/05/24 18:10:12 UTC

[jira] [Created] (HIVE-13834) Use LinkedHashMap instead of HashMap for LockRequestBuilder to maintain predictable iteration order

Wei Zheng created HIVE-13834:
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             Summary: Use LinkedHashMap instead of HashMap for LockRequestBuilder to maintain predictable iteration order
                 Key: HIVE-13834
                 URL: https://issues.apache.org/jira/browse/HIVE-13834
             Project: Hive
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 1.3.0, 2.1.0
            Reporter: Wei Zheng
            Assignee: Wei Zheng


In Java 7 it is assumed the iteration order is always the same as the insert order, but that's not guaranteed. In Java 8 some unit test breaks because of this ordering change. Solution is to use LinkedHashMap.



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