[jira] [Commented] (HIVE-26220) Shade & relocate dependencies in hive-exec to avoid conflicting with downstream projects

["Naveen Gangam (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-26220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17631412#comment-17631412 ] 

Naveen Gangam commented on HIVE-26220:
--------------------------------------

[~ayushtkn] I have marked this jira a must-fix for 4.0.0. Would you have cycles to take a look at this? Thank you

> Shade & relocate dependencies in hive-exec to avoid conflicting with downstream projects
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-26220
>                 URL: https://issues.apache.org/jira/browse/HIVE-26220
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 4.0.0, 4.0.0-alpha-1
>            Reporter: Chao Sun
>            Priority: Blocker
>              Labels: hive-4.0.0-must
>
> Currently projects like Spark, Trino/Presto, Iceberg, etc, are depending on {{hive-exec:core}} which was removed in HIVE-25531. The reason these projects use {{hive-exec:core}} is because they have the flexibility to exclude, shade & relocate dependencies in {{hive-exec}} that conflict with the ones they brought in by themselves. However, with {{hive-exec}} this is no longer possible, since it is a fat jar that shade those dependencies but do not relocate many of them.
> In order for the downstream projects to consume {{hive-exec}}, we will need to make sure all the dependencies in {{hive-exec}} are properly shaded and relocated, so they won't cause conflicts with those from the downstream.



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