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From "Chandni Singh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8672) TestContainerManager#testLocalingResourceWhileContainerRunning occasionally times out
Date Mon, 22 Oct 2018 17:39:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16659209#comment-16659209
] 

Chandni Singh commented on YARN-8672:
-------------------------------------

The {{DeletionService}} is deleting the tokens file. Ran the test with debug logging which
made this clear:

{code}
2018-10-22 10:35:29,605 DEBUG [LocalizerRunner for container_0_0000_01_000000] nodemanager.DeletionService
(DeletionService.java:delete(91)) - Scheduling DeletionTask (delay 0) : FileDeletionTask :
 id : -1  user : null  subDir : /Users/cnisingh/workspace/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/TestContainerManager-localDir/nmPrivate/container_0_0000_01_000000.tokens
 baseDir : null
2018-10-22 10:35:29,605 DEBUG [DeletionService #0] task.DeletionTask (FileDeletionTask.java:run(100))
- Running DeletionTask : FileDeletionTask :  id : -1  user : null  subDir : /Users/cnisingh/workspace/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/TestContainerManager-localDir/nmPrivate/container_0_0000_01_000000.tokens
 baseDir : null
2018-10-22 10:35:29,605 DEBUG [DeletionService #0] task.DeletionTask (FileDeletionTask.java:run(106))
- NM deleting absolute path : /Users/cnisingh/workspace/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/TestContainerManager-localDir/nmPrivate/container_0_0000_01_000000.tokens
2018-10-22 10:35:29,612 INFO  [LocalizerRunner for container_0_0000_01_000000] localizer.ResourceLocalizationService
(ResourceLocalizationService.java:run(1265)) - Localizer failed for container_0_0000_01_000000
ExitCodeException exitCode=1: chmod: /Users/cnisingh/workspace/hadoop/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/TestContainerManager-localDir/nmPrivate/container_0_0000_01_000000.tokens:
No such file or directory
{code}

> TestContainerManager#testLocalingResourceWhileContainerRunning occasionally times out
> -------------------------------------------------------------------------------------
>
>                 Key: YARN-8672
>                 URL: https://issues.apache.org/jira/browse/YARN-8672
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 3.2.0
>            Reporter: Jason Lowe
>            Assignee: Chandni Singh
>            Priority: Major
>
> Precommit builds have been failing in TestContainerManager#testLocalingResourceWhileContainerRunning.
 I have been able to reproduce the problem without any patch applied if I run the test enough
times.  It looks like something is removing container tokens from the nmPrivate area just
as a new localizer starts.



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