[MAPREDUCE-4637] Killing an unassigned task attempt causes the job to fail

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.3-alpha, 0.23.7
• Component/s: mrv2
• Target Version/s: 2.0.1-alpha
• Hadoop Flags: Reviewed
• Release Note: Handle TaskAttempt diagnostic updates while in the NEW and UNASSIGNED states.
• Assignee: Mayank Bansal
• Reporter: Thomas White
• Created: 05/Sep/12 15:56
• Updated: 15/Feb/13 13:10
• Resolved: 23/Oct/12 21:04

Description

Attempting to kill a task attempt that has been scheduled but is not running causes an invalid state transition and the AM to stop with an error.