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From Fernando Fernández <fernando.fernandez.gonza...@gmail.com>
Subject Re: Lanczos Algorithm
Date Fri, 26 Nov 2010 08:49:11 GMT
Yes, I'm checking the error today with some colleagues and seems that we
broke something trying to fix other errors... now SVD doesn't work even on
the command line, I'll write again if I get back to the situation where the
command line worked and I got ClassNotFoundExceptions...

Thanks!!

2010/11/26 Ted Dunning <ted.dunning@gmail.com>

> Ahh... the problem is not that classes are missing.  It is that the code
> that is reading the
> matrix wants to see a LongWritable for the row number and is getting an
> IntWritable instead.
>
> I think that your file containing your matrix was somehow created
> incorrectly.  This isn't necessarily
> your error, but I think that the error exists.
>
> 2010/11/25 Fernando Fernández <fernando.fernandez.gonzalez@gmail.com>
>
> > java.lang.IllegalStateException: java.io.IOException: wrong key class:
> > org.apache.hadoop.io.IntWritable is not class
> > org.apache.hadoop.io.LongWritable
> >
>

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