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Posted to dev@hive.apache.org by "Niklaus Xiao (JIRA)" <ji...@apache.org> on 2018/05/21 03:49:00 UTC

[jira] [Created] (HIVE-19621) WebHCat should not default to ephemeral ports

Niklaus Xiao created HIVE-19621:
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             Summary: WebHCat should not default to ephemeral ports
                 Key: HIVE-19621
                 URL: https://issues.apache.org/jira/browse/HIVE-19621
             Project: Hive
          Issue Type: Bug
          Components: WebHCat
    Affects Versions: 2.3.2, 1.2.2
            Reporter: Niklaus Xiao


WebHCat chose default tcp ports 50111 which conflicts with the standard unix/linux ephmeral port range of 49152-65535 or 32768-61000. This meant if any other processes chose to bind to a os specified port it could bind to the ports that webhcat had as default. If webhcat process were restarted it would fail to start. The probability of this happening increases as the number of nodes in the cluster increases.



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