[HADOOP-627] MiniMRCluster missing synchronization

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.7.2
• Fix Version/s: 0.8.0
• Assignee: Nigel Daley
• Reporter: Nigel Daley
• Created: 24/Oct/06 01:02
• Updated: 08/Jul/09 16:51
• Resolved: 24/Oct/06 21:53

Description

org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner contains (at least) 2 instance variables that are read by another thread: isInitialized and isDead. These should be declared volatile or proper synchronization should be used for their access.