[MAPREDUCE-3516] Possible NPE in org.apache.hadoop.mapred.MapTask.MapOutputBuffer.collect(K key, V value, int partition)

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.20.1, 0.20.2, 0.20.203.0, 0.20.205.0, 0.23.0
• Component/s: mrv2
• Assignee: Subroto Sanyal
• Reporter: Subroto Sanyal
• Created: 07/Dec/11 04:21
• Updated: 23/Jan/12 12:21

Description

org.apache.hadoop.mapred.MapTask.MapOutputBuffer.collect accepts a pair of Key and Value. There is chance that if somehow if a Null value or Key is passed to the method, we can end up having NPE.