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https://issues.apache.org/jira/browse/MAPREDUCE-5529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13780829#comment-13780829
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Hudson commented on MAPREDUCE-5529:
-----------------------------------
SUCCESS: Integrated in Hadoop-Hdfs-trunk #1536 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1536/])
MAPREDUCE-5529. Fix compat with hadoop-1 in mapred.TotalOrderPartitioner by
re-introducing (get,set)PartitionFile which takes in JobConf. Contributed by
Robert Kanter. (acmurthy:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1527048)
* /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/mapred/lib/TotalOrderPartitioner.java
> Binary incompatibilities in mapred.lib.TotalOrderPartitioner between branch-1
> and branch-2
> ------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-5529
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5529
> 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-5529_branch_2.patch, MAPREDUCE-5529.patch,
> MAPREDUCE-5529.patch
>
>
> {{mapred.lib.TotalOrderPartitioner}} in branch-1 has these two methods:
> {code:java}
> public static String getPartitionFile(JobConf job)
> public static void setPartitionFile(JobConf job, Path p)
> {code}
> In branch-2, {{mapred.lib.TotalOrderPartitioner}} is now a subclass of
> {{mapred.lib.TotalOrderPartitioner}}, from which it inherits the similar
> methods:
> {code:java}
> public static String getPartitionFile(Configuration conf)
> public static void setPartitionFile(Configuration conf, Path p)
> {code}
> This means that any code that does either of the following:
> {code:java}
> TotalOrderPartitioner.setPartitionFile(new JobConf(), new Path("/"));
> String str = TotalOrderPartitioner.getPartitionFile(new JobConf());
> {code}
> will not be binary compatible (that is, if compiled against branch-1, it will
> throw a {{NoSuchMethodError}} if run against branch-2).
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