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https://issues.apache.org/jira/browse/MAPREDUCE-5531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated MAPREDUCE-5531:
-------------------------------------
Resolution: Fixed
Fix Version/s: 2.1.2-beta
Status: Resolved (was: Patch Available)
+1 from me too.
I just committed this. Thanks [~rkanter]!
Also, [~zjshen] thanks for the review.
> Binary and source incompatibility in mapreduce.TaskID and
> mapreduce.TaskAttemptID between branch-1 and branch-2
> ---------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5531
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5531
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv1, mrv2
> Affects Versions: 2.1.1-beta
> Reporter: Robert Kanter
> Assignee: Robert Kanter
> Priority: Blocker
> Fix For: 2.1.2-beta
>
> Attachments: MAPREDUCE-5531.patch, MAPREDUCE-5531.patch
>
>
> {{mapreduce.TaskID}} in branch-1 has these two constructors:
> {code:java}
> public TaskID(JobID jobId, boolean isMap, int id)
> public TaskID(String jtIdentifier, int jobId, boolean isMap, int id)
> {code}
> In branch-2, {{mapreduce.TaskID}} no longer has either of the above two
> constructors.
> Also, {{mapreduce.TaskAttemptID}} in branch-1 has this constructor:
> {code:java}
> public TaskAttemptID(String jtIdentifier, int jobId, boolean isMap, int
> taskId, int id)
> {code}
> In branch-2, {{mapreduce.TaskAttemptID}} no longer his this constructor.
> It looks like these constructors were probably removed because the {{boolean
> isMap}} was replaced by an enum, {{TaskType}}.
> This means that any code that tries to use any of those constructors will not
> be binary or source compatible (in fact, the missing {{TaskAttemptID}}
> constructor calls one of the missing {{TaskID}} constructors).
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