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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1231) Add generics to Mapper and Reducer interfaces
Date Sun, 05 Aug 2007 20:21:29 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1231?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12517787
] 

Hadoop QA commented on HADOOP-1231:
-----------------------------------

-1, could not apply patch.

The patch command could not apply the latest attachment http://issues.apache.org/jira/secure/attachment/12363202/HADOOP-1231.patch
as a patch to trunk revision r562608.

Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/514/console

Please note that this message is automatically generated and may represent a problem with
the automation system and not the patch.

> Add generics to Mapper and Reducer interfaces
> ---------------------------------------------
>
>                 Key: HADOOP-1231
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1231
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Owen O'Malley
>            Assignee: Tom White
>             Fix For: 0.15.0
>
>         Attachments: HADOOP-1231.patch, HADOOP-1231.patch, MapReduceTypes.html
>
>
> By making the input and output types of the Mapper and Reducers generic, we can get the
information from the classes and not require the user to set them in the configuration.

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