[MAPREDUCE-4614] Simplify debugging a job's tokens

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.23.3, 2.0.2-alpha, 3.0.0-alpha1
• Fix Version/s: 0.23.3, 2.0.2-alpha
• Component/s: client, task
• Target Version/s: 0.23.3, 2.0.2-alpha
• Assignee: Daryn Sharp
• Reporter: Daryn Sharp
• Created: 30/Aug/12 23:12
• Updated: 12/May/16 18:22
• Resolved: 31/Aug/12 20:42

Description

It's exceedingly difficult to debug token issues with a job. Sometimes tokens appear to be missing, or have the wrong service, etc. It would be much easier if job submission logged the tokens submitted, and if tasks logged the tokens they received.

Issue Links

• is related to: HDFS-3873 Hftp assumes security is disabled if token fetch fails