[HADOOP-4933] ConcurrentModificationException in JobHistory.java

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.20.0
• Fix Version/s: 0.21.0
• Hadoop Flags: Reviewed
• Release Note: Fixed a synchronization bug in job history content parsing that could result in garbled history data or a ConcurrentModificationException.
• Assignee: Amar Kamat
• Reporter: Amar Kamat
• Created: 23/Dec/08 06:37
• Updated: 02/May/13 02:29
• Resolved: 13/Feb/09 05:48

Description

JobHistory.java throws ConcurrentModificationException while finding out the job history version.

Issue Links

• is depended upon by: MAPREDUCE-177 Hadoop performance degrades significantly as more and more jobs complete