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https://issues.apache.org/jira/browse/HIVE-22126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17176126#comment-17176126
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Zoltan Haindrich commented on HIVE-22126:
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[~zhengchenyu]: yes that's an option - however I've not seen this in hive-3
before - but for hive-4 the same was done (HIVE-23593)
you may already know it - the issue behind this is that a shaded calcite may
pull in thru reflection classes from the "non-shaded" version and that will
wreck some havoc
there was an attempt to make a better fix than that; but it's not yet read
(HIVE-23772)
> hive-exec packaging should shade guava
> --------------------------------------
>
> Key: HIVE-22126
> URL: https://issues.apache.org/jira/browse/HIVE-22126
> Project: Hive
> Issue Type: Bug
> Reporter: Vihang Karajgaonkar
> Assignee: Eugene Chung
> Priority: Major
> Fix For: 4.0.0
>
> Attachments: HIVE-22126.01.patch, HIVE-22126.02.patch,
> HIVE-22126.03.patch, HIVE-22126.04.patch, HIVE-22126.05.patch,
> HIVE-22126.06.patch, HIVE-22126.07.patch, HIVE-22126.08.patch,
> HIVE-22126.09.patch, HIVE-22126.09.patch, HIVE-22126.09.patch,
> HIVE-22126.09.patch, HIVE-22126.09.patch
>
>
> The ql/pom.xml includes complete guava library into hive-exec.jar
> https://github.com/apache/hive/blob/master/ql/pom.xml#L990 This causes a
> problems for downstream clients of hive which have hive-exec.jar in their
> classpath since they are pinned to the same guava version as that of hive.
> We should shade guava classes so that other components which depend on
> hive-exec can independently use a different version of guava as needed.
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