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https://issues.apache.org/jira/browse/SPARK-61148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon reassigned SPARK-61148:
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Assignee: Hyukjin Kwon
> Leave a builder option of None unset, check the destination of
> copyFromLocalToFs, and raise NO_ACTIVE_SESSION for the requests of a stopped
> session, as PySpark does
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-61148
> URL: https://issues.apache.org/jira/browse/SPARK-61148
> Project: Spark
> Issue Type: Bug
> Components: Connect
> Affects Versions: connect-rust-4.3.0
> Reporter: Hyukjin Kwon
> Assignee: Hyukjin Kwon
> Priority: Major
> Labels: pull-request-available
> Fix For: connect-rust-4.3.0
>
>
> Three defects of the Python drop-in session, each differing from PySpark
> Connect:
> (1) SparkSession.builder.config(key, None) stores "" instead of leaving the
> key unset, so spark.conf.get(key) returns '' where PySpark raises
> SQL_CONF_NOT_FOUND.
> (2) copyFromLocalToFs(local, "relative/out.txt") sends the request to the
> server, where PySpark asserts "destination FS path must be an absolute
> path."; the artifact name also had a double slash (forward_to_fs//tmp/x)
> where PySpark uses forward_to_fs/tmp/x.
> (3) After stop(), the session's requests (range().count(), sql, conf,
> version, cloneSession) still run on the server, where PySpark's closed client
> raises NO_ACTIVE_SESSION.
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