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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/07/20 21:58:00 UTC
[jira] [Assigned] (SPARK-21490) SparkLauncher may fail to redirect
streams
[ https://issues.apache.org/jira/browse/SPARK-21490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-21490:
------------------------------------
Assignee: Apache Spark
> SparkLauncher may fail to redirect streams
> ------------------------------------------
>
> Key: SPARK-21490
> URL: https://issues.apache.org/jira/browse/SPARK-21490
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.2.0
> Reporter: Marcelo Vanzin
> Assignee: Apache Spark
> Priority: Minor
>
> While investigating a different issue, I noticed that the redirection handling in SparkLauncher is faulty.
> In the default case or when users use only log redirection, things should work fine.
> But if users try to redirect just the stdout of a child process without redirecting stderr, the launcher won't detect that and the child process may hang because stderr is not being read and its buffer fills up.
> The code should detect these cases and redirect any streams that haven't been explicitly redirected by the user.
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