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https://issues.apache.org/jira/browse/YARN-8986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16693584#comment-16693584
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Eric Yang commented on YARN-8986:
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[~Charo Zhang] add_ports_mapping_to_command assumes that network_name is always
supplied in .cmd file. However, network_name might not exist, and cause docker
network inspect to fail. This is what happen in the failed [unit
tests|https://builds.apache.org/job/PreCommit-YARN-Build/22634/testReport/].
When network_name is unspecified, docker default network is bridge. You may
want to add that logic to be part of add_ports_mapping_to_command. Thanks
> publish all exposed ports to random ports when using bridge network
> -------------------------------------------------------------------
>
> Key: YARN-8986
> URL: https://issues.apache.org/jira/browse/YARN-8986
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: yarn
> Affects Versions: 3.1.1
> Reporter: Charo Zhang
> Assignee: Charo Zhang
> Priority: Minor
> Labels: Docker
> Attachments: YARN-8986.001.patch, YARN-8986.002.patch,
> YARN-8986.003.patch, YARN-8986.004.patch
>
>
> it's better to publish all exposed ports to random ports（-P） or support port
> mapping（-p） for bridge network when using bridge network for docker container.
>
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