UserGroupInformation.getCurrentUser() fails when called from non-Hadoop JAAS
context
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Key: HADOOP-7101
URL: https://issues.apache.org/jira/browse/HADOOP-7101
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 0.22.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Priority: Blocker
Fix For: 0.22.0
If a Hadoop client is run from inside a container like Tomcat, and the current
AccessControlContext has a Subject associated with it that is not created by
Hadoop, then UserGroupInformation.getCurrentUser() will throw
NoSuchElementException, since it assumes that any Subject will have a hadoop
User principal.
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