[jira] [Work started] (HIVE-28782) Avoid unsafe splits on URIs that might contain IPv6 literals

["Dmitriy Fingerman (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-28782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-28782 started by Dmitriy Fingerman.
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> Avoid unsafe splits on URIs that might contain IPv6 literals
> ------------------------------------------------------------
>
>                 Key: HIVE-28782
>                 URL: https://issues.apache.org/jira/browse/HIVE-28782
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Dmitriy Fingerman
>            Assignee: Dmitriy Fingerman
>            Priority: Major
>              Labels: pull-request-available
>
> Hive has code locations where it splits a URI on the first ":" assuming that it delimits a host from a port.
> This is unsafe in a dual-stack or IPv6-only world. 
>  * HS2ActivePassiveHARegistry.updateEndpoint
>  * ZooKeeperHiveClientHelper.updateParamsWithZKServerNode
> Example:
> {code:java}
> final String[] tokens = instanceUri.split(":");
> final String hostname = tokens[0];
> final int port = Integer.parseInt(tokens[1]);{code}
> Similar issue in Hadoop:
> https://issues.apache.org/jira/browse/HADOOP-12122



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