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From Konstantin Boudnik <...@apache.org>
Subject Re: Am i crazy? - question about hadoop streaming
Date Thu, 15 Sep 2011 02:52:18 GMT
I am sure if you ask at provider's specific list you'll get a better answer
than from common Hadoop list ;)

Cos

On Wed, Sep 14, 2011 at 09:48PM, Mark Kerzner wrote:
> Hi,
> 
> I am using the latest Cloudera distribution, and with that I am able to use
> the latest Hadoop API, which I believe is 0.21, for such things as
> 
> import org.apache.hadoop.mapreduce.Reducer;
> 
> So I am using mapreduce, not mapred, and everything works fine.
> 
> However, in a small streaming job, trying it out with Java classes first, I
> get this error
> 
> Exception in thread "main" java.lang.RuntimeException: class mypackage.Map
> not org.apache.hadoop.mapred.Mapper -- which it really is not, it is a
> mapreduce.Mapper.
> 
> So it seems that Cloudera backports some of the advances but for streaming
> it is still the old API.
> 
> So it is me or the world?
> 
> Thank you,
> Mark

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