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Posted to issues@hive.apache.org by "edward henry (Jira)" <ji...@apache.org> on 2023/03/02 09:43:00 UTC
[jira] [Commented] (HIVE-26220) Shade & relocate dependencies in hive-exec to avoid conflicting with downstream projects
[ https://issues.apache.org/jira/browse/HIVE-26220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17695605#comment-17695605 ]
edward henry commented on HIVE-26220:
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> 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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