[MAPREDUCE-2804] "Creation of symlink to attempt log dir failed." message is not useful

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.20.204.0
• Fix Version/s: 0.20.204.0
• Hadoop Flags: Reviewed
• Release Note: Removed duplicate chmods of job log dir that were vulnerable to race conditions between tasks. Also improved the messages when the symlinks failed to be created.
• Assignee: Owen O'Malley
• Reporter: Allen Wittenauer
• Created: 10/Aug/11 21:58
• Updated: 02/Sep/11 22:13
• Resolved: 25/Aug/11 20:03

Description

In attempting to qualify the 204 RC2 release, my tasktracker logs are filled with the above message. I'd love to do something about it, but since it doesn't tell me what exactly it is trying to symlink I cannot unless I dig into the source code.

Issue Links

• is related to: MAPREDUCE-2415 Distribute TaskTracker userlogs onto multiple disks
• relates to: MAPREDUCE-2846 a small % of all tasks fail with DefaultTaskController