Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm
Precedence: bulk
Reply-To: mapreduce-issues@hadoop.apache.org
Date: Mon, 13 Jun 2011 05:58:51 +0000 (UTC)
From: "Harsh J (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
Message-ID: 
 <1348811056.2071.1307944731652.JavaMail.tomcat@hel.zones.apache.org>
In-Reply-To: 
 <1142443113.14224.1307818558793.JavaMail.tomcat@hel.zones.apache.org>
Subject: [jira] [Commented] (MAPREDUCE-2584) Check for serializers early,
 and give out more information regarding missing serializers
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


    [ https://issues.apache.org/jira/browse/MAPREDUCE-2584?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048477#comment-13048477 ] 

Harsh J commented on MAPREDUCE-2584:
------------------------------------

Test will fail without https://issues.apache.org/jira/browse/HADOOP-7328 as that blocks this.

> Check for serializers early, and give out more information regarding missing serializers
> ----------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-2584
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2584
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: task
>    Affects Versions: 0.20.2
>            Reporter: Harsh J
>            Assignee: Harsh J
>              Labels: serializers, tasks
>             Fix For: 0.23.0
>
>         Attachments: MAPREDUCE-2584.r3.diff
>
>
> As discussed on HADOOP-7328, MapReduce can handle serializers in a much better way in case of bad configuration, improper imports (Some odd Text class instead of the Writable Text set as key), etc..
> This issue covers the MapReduce parts of the improvements (made to IFile, MapOutputBuffer, etc. and possible early-check of serializer availability pre-submit) that provide more information than just an NPE as is the current case.

--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira