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From abhishek sharma <absha...@usc.edu>
Subject Re: Hadoop Reduce is never called
Date Sat, 30 Oct 2010 19:36:17 GMT
The println statement might be showing up in .out file for TaskTracker
machines executing the Reduce Task.

Abhishek

On Sat, Oct 30, 2010 at 12:18 PM, Cameron_ <rch3@sfu.ca> wrote:
>
> Hi,
>
> I am new to Hadoop and new to the community.  I am using Hadoop 0.20.2 and
> working through the LineIndexer example.  I  have defined the Reducer using
> the following line:
>
> job.setReducerClass (LineIndexerReducer.class);
>
> The full code is in  http://old.nabble.com/file/p30094575/LineIndexer.java
> LineIndexer.java .  My Reducer code is
> http://old.nabble.com/file/p30094575/LineIndexerReducer.java
> LineIndexerReducer.java .  I have a trace print statement in the reduce
> method of the Reducer c;ass.  This println statement never gets executed
> indicating that my Reducer never gets called.  My mapper,
> http://old.nabble.com/file/p30094575/LineIndexerMapper.java
> LineIndexerMapper.java  works correctly.
>
> Does anyone have any idea what I have done wrong?
>
> Thank you in advance,
>
> Cameron
>
>
>
> --
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> Sent from the Hadoop core-user mailing list archive at Nabble.com.
>
>

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