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https://issues.apache.org/jira/browse/MAPREDUCE-5531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13780283#comment-13780283
]
Hudson commented on MAPREDUCE-5531:
-----------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #4484 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/4484/])
MAPREDUCE-5531. Fix compat with hadoop-1 in mapreduce.(TaskID, TaskAttemptID)
by re-introducing missing constructors. Contributed by Robert Kanter.
(acmurthy:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1527033)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskAttemptID.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/TaskID.java
> 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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