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https://issues.apache.org/jira/browse/SPARK-9509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kay Ousterhout resolved SPARK-9509.
-----------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
> AppClient.stop() may throw an exception
> ---------------------------------------
>
> Key: SPARK-9509
> URL: https://issues.apache.org/jira/browse/SPARK-9509
> Project: Spark
> Issue Type: Bug
> Reporter: Kay Ousterhout
> Assignee: Shixiong Zhu
> Fix For: 1.5.0
>
>
> AppClient.stop() calls RPCEndpointRef.askWithRetry, which throws a
> SparkException if it fails. This exception is not caught (stop() only
> catches timeout exceptions) which can lead to a failure during shutdown,
> causing Spark not to clean itself up properly. This behavior was changed in
> this commit:
> https://github.com/apache/spark/commit/3bee0f1466ddd69f26e95297b5e0d2398b6c6268#diff-a240aa7b4630dc389590147f96cf3431R174,
> and this seems to be the root cause of the recent Distributed Suite test
> failures described in SPARK-9497 (the flakiness of DistributedSuite coincides
> with when the above commit was added to master).
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