Josh Elser created ACCUMULO-3701:
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Summary: MapReduce jobs need to perform kerberos login before
instantiating Job
Key: ACCUMULO-3701
URL: https://issues.apache.org/jira/browse/ACCUMULO-3701
Project: Accumulo
Issue Type: Bug
Components: client
Reporter: Josh Elser
Assignee: Josh Elser
Priority: Blocker
Fix For: 1.7.0
[~billie.rinaldi] found another nice bug through testing out running a
Continuous Verify MapReduce job with Kerberos/SASL enabled. She provided a
keytab and SASL was enabled in the client conf, but when the job was submitted,
it failed because there were no kerberos credentials.
* Instantiate Job (caches currentUser which is nobody)
* Login with keytab programmatically, get Accumulo delegation token
* Job tries to get HDFS delegation token, and fails
We need to ensure that a UGI login happens when a keytab is provided as an
option *before* a Job is created.
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