Incorrect synchronization of {map|reduce|cleanup|setup} tasks in JobInProgress
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Key: MAPREDUCE-1387
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1387
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: jobtracker
Reporter: Amar Kamat
Fix For: 0.22.0
JobInProgress.maps[], JobInProgress.reduces[], JobInProgress.setup[] and
JobInProgress.cleanup[] are incorrectly synchronized resulting into findbugs
warnings. Except the getter apis (i.e getMapTasks(), getReduceTasks(),
getSetupTasks() and getCleanupTasks()), these structures are always accessed in
synchronized methods.
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