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https://issues.apache.org/jira/browse/YARN-9391?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16797182#comment-16797182
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Jim Brennan commented on YARN-9391:
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OK. I will put up a patch to fix this issue.
> Disable PATH variable to be passed to Docker container
> ------------------------------------------------------
>
> Key: YARN-9391
> URL: https://issues.apache.org/jira/browse/YARN-9391
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Eric Yang
> Priority: Major
>
> This is observed from using Apache NiFi docker image. It makes assumption
> that PATH variable contains /bin to reference to system utility. Where host
> YARN environment PATH variable is default to leaked into container by
> accident and not containing /bin path (default configuration). In general,
> it seems like node manager should block PATH variable from leaking into
> container. Not sure if there is a valid use case that host PATH variable
> must leak into container from docker point of view. From Hadoop point of
> view, if container is merely a chroot, and container is a mirror image of
> host worker dir. It is good to keep host PATH variable the same.
> Maybe we want to be more specific that block PATH variable to leak into
> Docker container, if it is using ENTRYPOINT only?
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