Kihwal Lee created HDFS-4064:
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Summary: JNI-based user-group mapping modules can be too chatty on
lookup failures
Key: HDFS-4064
URL: https://issues.apache.org/jira/browse/HDFS-4064
Project: Hadoop HDFS
Issue Type: Improvement
Components: security
Affects Versions: 3.0.0, 2.0.3-alpha, 0.23.5
Reporter: Kihwal Lee
Assignee: Kihwal Lee
On a user/group lookup failure, JniBasedUnixGroupsMapping and
JniBasedUnixGroupsNetgroupMapping are logging the
full stack trace at WARN level. Since the caller of these methods is already
logging errors, this is not needed. In branch-1, just one line is logged, so
we don't need this change there.
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