Daryn Sharp created HADOOP-10941:
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Summary: Proxy user verification NPEs if remote host is
unresolvable
Key: HADOOP-10941
URL: https://issues.apache.org/jira/browse/HADOOP-10941
Project: Hadoop Common
Issue Type: Bug
Components: ipc, security
Affects Versions: 3.0.0, 2.5.0
Reporter: Daryn Sharp
Priority: Critical
A null is passed to the impersonation providers for the remote address if it is
unresolvable. {{DefaultImpersationProvider}} will NPE, ipc will close the
connection immediately (correct behavior for such unexpected exceptions),
client fails on {{EOFException}}.
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