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https://issues.apache.org/jira/browse/LENS-298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14323750#comment-14323750
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Amareshwari Sriramadasu commented on LENS-298:
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bq. Will be composed in HiveSessionService instead.
Should we move switch database to session resource than metastore?
> Provide a way to add static jars at cube/db level
> -------------------------------------------------
>
> Key: LENS-298
> URL: https://issues.apache.org/jira/browse/LENS-298
> Project: Apache Lens
> Issue Type: Improvement
> Components: cube, server
> Reporter: Amareshwari Sriramadasu
> Assignee: Jaideep Dhok
> Fix For: 2.1
>
>
> Static cube related jars can be loaded in system classpath of lens whenever a
> cube/db is accessed. These jars would be the jars required to load serde,
> storage of the underlying tables in db. Right now, these are getting loaded
> are session auxiliary jars, we need to separate session auxiliary jars with
> cube related jars.
> This however need to be done as an extension where it should be possible to
> drop jars in some ext/ folder and they are considered, as opposed to bundling
> this as part of the lens system.
> System should degrade to requiring the jars in session, if the required jars
> are missing in ext/
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