[jira] [Created] (MAPREDUCE-5304) mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes

["Alejandro Abdelnur (JIRA)" <ji...@apache.org>]

Alejandro Abdelnur created MAPREDUCE-5304:
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             Summary: mapreduce.Job killTask/failTask/getTaskCompletionEvents methods have incompatible signature changes
                 Key: MAPREDUCE-5304
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5304
             Project: Hadoop Map/Reduce
          Issue Type: Bug
    Affects Versions: 2.0.4-alpha
            Reporter: Alejandro Abdelnur
            Assignee: Karthik Kambatla
            Priority: Blocker
             Fix For: 2.1.0-beta


Pointed out by [~zjshen] in MAPREDUCE-4942.

In {{o.a.h.mapreduce.Job}} class, the following changed from Hadoop 1 to Hadoop 2.

boolean failTask(TaskAttemptID): Change in return type from void to boolean.
boolean killTask(TaskAttemptID): Change in return type from void to boolean.
TaskCompletionEvent[] getTaskCompletionEvents(int): Change in return type from org.apache.hadoop.mapred.TaskCompletionEvent[] to org.apache.hadoop.mapreduce.TaskCompletionEvent[].


Using same rational as in other JIRAs, we should fix this to ensure Hadoop 1 to Hadoop 2 source compatibility (taking 0.23.x releases as a casualty as there is not right way for everybody because we screwed up :( ). Flagging it as incompatible change because of 0.23.

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