Allen Wittenauer created MAPREDUCE-5458:
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Summary: Jobhistory server (and probably others) throws HTTP 500
error if keytab fails
Key: MAPREDUCE-5458
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5458
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: jobhistoryserver
Affects Versions: 2.1.0-beta
Reporter: Allen Wittenauer
I had a situation where the job history didn't renew its kerberos credentials
(still verifying that problem). If a user connects to the web UI at a point
when the server can't talk to HDFS, it shows the user a 500 error rather than
giving something meaningful.
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