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From "Vijay Singh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13817) Allow DNS CNAME ALIAS Resolution from apache hive beeline JDBC URL to allow for failover
Date Sun, 22 May 2016 08:06:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13817?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vijay Singh updated HIVE-13817:
-------------------------------
    Attachment: HIVE-13817.3.patch

Modified for NullPointerException for 3rd patch since SessionMap is required for Determining
Canonical PAram.

> Allow DNS CNAME ALIAS Resolution from apache hive beeline JDBC URL to allow for failover
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-13817
>                 URL: https://issues.apache.org/jira/browse/HIVE-13817
>             Project: Hive
>          Issue Type: New Feature
>          Components: Beeline
>    Affects Versions: 1.2.1
>            Reporter: Vijay Singh
>         Attachments: HIVE-13817.1.patch, HIVE-13817.2.patch, HIVE-13817.3.patch
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Currently, in case of BDR clusters, DNS CNAME alias based connections fail. As _HOST
resolves to exact endpoint specified in connection string and that may not be intended SPN
for kerberos based on reverse DNS lookup. Consequently this JIRA proposes that client specific
setting be used to resolv _HOST from CNAME DNS alias to A record entry on the fly in beeline.



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