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https://issues.apache.org/jira/browse/TOREE-387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jakob Odersky resolved TOREE-387.
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Resolution: Fixed
fixed in pr
> Kernel should not store SparkSession
> ------------------------------------
>
> Key: TOREE-387
> URL: https://issues.apache.org/jira/browse/TOREE-387
> Project: TOREE
> Issue Type: Improvement
> Reporter: Ryan Blue
>
> Currently, the kernel creates and stores the SparkSession in a field to share
> between interpreters. If the user closes a SparkSession and creates a new
> one, then the Kernel still returns the original. Users may need to restart
> Spark sessions for long-running notebooks or to deal with Spark errors
> without losing datasets that have been pulled back to the notebook.
> I think that Toree should always return the current Spark session by calling
> {{SparkSession.builder.getOrCreate}}.
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