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https://issues.apache.org/jira/browse/SPARK-61219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon updated SPARK-61219:
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Fix Version/s: connect-rust-4.3.0
> spark.stop() drops the terminated events of queries still running at stop,
> because it cancels the listener bus before ReleaseSession
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-61219
> URL: https://issues.apache.org/jira/browse/SPARK-61219
> Project: Spark
> Issue Type: Bug
> Components: Connect
> Affects Versions: connect-rust-4.3.0
> Reporter: Hyukjin Kwon
> Priority: Major
> Fix For: connect-rust-4.3.0
>
>
> spark.stop() cancels the listener bus before it releases the session. The
> server sends onQueryTerminated for the queries still running when it releases
> the session, so listeners never receive it after stop(). Official PySpark
> 4.3.0 releases the session before it closes the client, and its listener gets
> the terminated event (after stop, the probe prints ['start', 'term']; ours
> printed ['start'] in every run).
> stop() now releases the server session first, then cancels the listener bus
> and closes the client. It stays idempotent, and it keeps the listener
> teardown of SPARK-61097 (no callback waits, no later event dispatched).
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