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Posted to yarn-issues@hadoop.apache.org by "Varun Saxena (JIRA)" <ji...@apache.org> on 2015/01/22 22:04:35 UTC

[jira] [Assigned] (YARN-3090) DeletionService can silently ignore deletion task failures

     [ https://issues.apache.org/jira/browse/YARN-3090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Varun Saxena reassigned YARN-3090:
----------------------------------

    Assignee: Varun Saxena

> DeletionService can silently ignore deletion task failures
> ----------------------------------------------------------
>
>                 Key: YARN-3090
>                 URL: https://issues.apache.org/jira/browse/YARN-3090
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.1.1-beta
>            Reporter: Jason Lowe
>            Assignee: Varun Saxena
>
> If a non-I/O exception occurs while the DeletionService is executing a deletion task then it will be silently ignored.  The exception bubbles up to the thread workers of the ScheduledThreadPoolExecutor which simply attaches the throwable to the Future that was returned when the task was scheduled.  However the thread pool is used as a fire-and-forget pool, so nothing ever looks at the Future and therefore the exception is never logged.



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