Josh Elser created ACCUMULO-4416:
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Summary: MAC failures when running on host configured with
mixed-case hostname
Key: ACCUMULO-4416
URL: https://issues.apache.org/jira/browse/ACCUMULO-4416
Project: Accumulo
Issue Type: Bug
Components: test
Affects Versions: 1.7.1
Reporter: Josh Elser
Assignee: Josh Elser
Priority: Minor
HADOOP-7988
Kerberos is case-sensitive. DNS is not. I saw a case where a host with
mixed-case hostname had a MAC instance that fell over because of a spam of
failed RPCs that never succeeded.
MiniKDC and our code seems to be doing the right thing, but somehow a
lower-case on the hostname we were using on the client to communicate with the
tserver happened. I'm not sure what component did this. Should look into this
with some VM configured with a mixed-case hostname.
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