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Jason Lowe commented on MAPREDUCE-5284: --------------------------------------- Fixing this would be a significant breakage for binary compatibility between 0.23 and 2.x, correct? > Mapreduce API: CounterGroup changes from non-abstract class to interface > ------------------------------------------------------------------------ > > Key: MAPREDUCE-5284 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5284 > Project: Hadoop Map/Reduce > Issue Type: Sub-task > Reporter: Zhijie Shen > Assignee: Zhijie Shen > > Therefore, constructors and implemented methods are removed. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira