[MAPREDUCE-1109] ConcurrentModificationException in jobtracker.jsp

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 0.20.1
• Component/s: jobtracker
• Target Version/s: 1.1.0
• Assignee: Harsh J
• Reporter: Dhruba Borthakur
• Created: 14/Oct/09 06:56
• Updated: 17/Oct/12 22:30
• Resolved: 09/Jul/12 02:29

Description

The jobtracker.jsp invoked methods tracker.runningJobs(), tracker.completedJobs() and tracker.failedJobs() but these methods are not synchronized and can cause ConcurrentModificationException if the JT is concurrently changing the contents of these datastructures.