Harsh J created HADOOP-10002:
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Summary: Tool's config option wouldn't work on secure clusters
Key: HADOOP-10002
URL: https://issues.apache.org/jira/browse/HADOOP-10002
Project: Hadoop Common
Issue Type: Bug
Components: security, util
Affects Versions: 2.0.6-alpha
Reporter: Harsh J
Priority: Minor
The Tool framework provides a way for clients to run without classpath
*-site.xml configs, by letting users pass "-conf <file>" to parse into the
app's Configuration object.
In a secure cluster config setup, such a runner will not work cause of
UserGroupInformation.isSecurityEnabled() check, which is used in Server.java to
determine what form of communication to use, will load statically a {{new
Configuration()}} object to inspect if security is turned on during its
initialization, which ignores the application config object and tries to load
from classpath and ends up loading non-secure defaults.
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