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https://issues.apache.org/jira/browse/YARN-7286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16198823#comment-16198823
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Eric Badger commented on YARN-7286:
-----------------------------------
[[email protected]], I don't see a way of doing it since the {{get()}}
method returns null both when the value is null and when the key doesn't exist.
So there's no way to differentiate between the two. If there's some method that
differentiates between those two cases, then we could make this work, but I'm
not aware of such a method.
> Add support for docker to have no capabilities
> ----------------------------------------------
>
> Key: YARN-7286
> URL: https://issues.apache.org/jira/browse/YARN-7286
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Reporter: Eric Badger
> Assignee: Eric Badger
> Attachments: YARN-7286.001.patch, YARN-7286.002.patch,
> YARN-7286.003.patch
>
>
> Support for controlling capabilities was introduced in YARN-4258. However, it
> does not allow for the capabilities list to be NULL, since {{getStrings()}}
> will treat an empty value the same as it treats an unset property. So, a NULL
> list will actually give the default capabilities list.
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