org.apache.hadoop.mapreduce.Counters.getGroup returns null if the group name
doesnt exist.
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Key: MAPREDUCE-818
URL: https://issues.apache.org/jira/browse/MAPREDUCE-818
Project: Hadoop Map/Reduce
Issue Type: Bug
Reporter: Amareshwari Sriramadasu
Assignee: Amareshwari Sriramadasu
Priority: Minor
Fix For: 0.20.1
org.apache.hadoop.mapreduce.Counters.getGroup returns null if the group name
doesnt exist. But the documentation says it returns an empty group if there is
none with the specified name.
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