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https://issues.apache.org/jira/browse/LENS-298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14322561#comment-14322561
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Jaideep Dhok commented on LENS-298:
-----------------------------------
Noting subtasks
# Load database specific jars from configurable location so that users can
expect some jars to be loaded by default without having to explicitly add jars
# Pass database specific jars to Hive driver lazily
# Server side calls for refreshing database jars
# setDatabase should refresh session class loader
[~amareshwari] I will create tasks for these if the above list looks OK?
> 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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