Josh Elser created ACCUMULO-4671:
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Summary: ConfiguratorBase.unwrapAuthenticationToken will NPE if
the Token is not in the Job's credentials
Key: ACCUMULO-4671
URL: https://issues.apache.org/jira/browse/ACCUMULO-4671
Project: Accumulo
Issue Type: Bug
Components: mapreduce
Reporter: Josh Elser
Assignee: Josh Elser
Fix For: 1.7.4, 1.8.2, 2.0.0
When Kerberos is enabled, the AuthenticationToken set on the Configuration
object is essentially a pointer to the Hadoop-style Token stored (securely) in
the Job's credentials object.
However, if by user error, the user thinks that they have serialized a Token
(but it got lost along the way), unwrapAuthenticationToken will throw an NPE
trying to extract that token. The name of the Token is abstracted away from the
user (they shouldn't actually know what it is), so we should not fail hard like
this.
It would be easy to return back the original token in this case and update the
javadoc accordingly to warn users.
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