Xuefu Zhang created HIVE-16961:
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Summary: Hive on Spark leaks spark application in case user
cancels query and closes session
Key: HIVE-16961
URL: https://issues.apache.org/jira/browse/HIVE-16961
Project: Hive
Issue Type: Bug
Components: Spark
Affects Versions: 1.1.0
Reporter: Xuefu Zhang
Assignee: Xuefu Zhang
It's found that a Spark application is leaked when user cancels query and
closes the session while Hive is waiting for remote driver to connect back.
This is found for asynchronous query execution, but seemingly equally
applicable for synchronous submission when session is abruptly closed. The
leaked Spark application that runs Spark driver connects back to Hive
successfully and run for ever (until HS2 restarts), but receives no job
submission because the session is already closed. Ideally, Hive should rejects
the connection from the driver so the driver will exist.
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