Daryn Sharp created MAPREDUCE-4921:
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Summary: JobClient should acquire HS token with RM principal
Key: MAPREDUCE-4921
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4921
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: client
Affects Versions: 3.0.0, 2.0.3-alpha, 0.23.6
Reporter: Daryn Sharp
Assignee: Daryn Sharp
Priority: Blocker
The job client may acquire a history server token during job submission. The
renewer is specified in a config value that the user must supply (for new api,
a bit different for old api). If this value is not the RM's principal, then
the RM cannot renew the token and long running jobs will fail. Since the token
is implicitly acquired for the job, the HS token's renewer should always be the
RM's principal.
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