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https://issues.apache.org/jira/browse/HADOOP-4429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649893#action_12649893
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Chris Douglas commented on HADOOP-4429:
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bq. I decided to make DEFAULT_USERNAME and DEFAULT_GROUP private constants,
just to be sure to not pollute the public interface.
It's a little confusing that they're referenced in the javadoc, then... I'd
lean towards making them public, but wouldn't insist on it. If public, changing
the mentions to be references would also be a good idea.
> Misconfigured UNIX Groups Break Hadoop
> --------------------------------------
>
> Key: HADOOP-4429
> URL: https://issues.apache.org/jira/browse/HADOOP-4429
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Environment: UNIX, Linux
> Reporter: Alex Loddengaard
> Assignee: Alex Loddengaard
> Priority: Minor
> Attachments: drwhointardis.patch
>
>
> If a UNIX user has misconfigured groups, either locally or through LDAP, then
> Hadoop will not be able to start.
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