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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-3090) DeletionService can silently ignore deletion task failures
Date Wed, 11 Feb 2015 15:06:16 GMT

    [ https://issues.apache.org/jira/browse/YARN-3090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316328#comment-14316328

Hudson commented on YARN-3090:

FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #102 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/102/])
YARN-3090. DeletionService can silently ignore deletion task failures. Contributed by Varun
Saxena (jlowe: rev 4eb5f7fa32bab1b9ce3fb58eca51e2cd2e194cd5)
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DeletionService.java
* hadoop-yarn-project/CHANGES.txt

> 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
>             Fix For: 2.7.0
>         Attachments: YARN-3090.001.patch, YARN-3090.002.patch, YARN-3090.003.patch, YARN-3090.04.patch
> 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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