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https://issues.apache.org/jira/browse/YARN-1700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13912515#comment-13912515
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Gera Shegalov commented on YARN-1700:
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Log URL is physically nullable, but in the current source code as is it never
changes after the launch and is not null. If the intention is to record/display
even containers that have not launched, I am fine treating it as a dup of
YARN-1685
> AHS records non-launched containers
> -----------------------------------
>
> Key: YARN-1700
> URL: https://issues.apache.org/jira/browse/YARN-1700
> Project: Hadoop YARN
> Issue Type: Sub-task
> Affects Versions: 2.4.0
> Reporter: Gera Shegalov
> Assignee: Gera Shegalov
> Attachments: YARN-1700.v01.patch, YARN-1700.v02.patch
>
>
> When testing AHS with a MR sleep job, AHS sometimes threw NPE out of
> AppAttemptBlock.render because logUrl in container report was null. I
> realized that this is because AHS may record containers that never launch.
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