Bo Bao created YARN-1840:
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Summary: User names should be better checked or escaped
Key: YARN-1840
URL: https://issues.apache.org/jira/browse/YARN-1840
Project: Hadoop YARN
Issue Type: Improvement
Components: documentation, nodemanager
Environment: Most supported OSes
Reporter: Bo Bao
Priority: Minor
Now, when creating a container with DefaultContainerExecutor, NodeManager
accepts almost any string as a username. In some cases, this will cause user
names with special characters being wrongly interpreted by host OS or related
non-Java programs.
The default filter in LinuxContainerExecutor has similar issues.
Some introductions about legal user names should be added then.
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