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From Neil Chaudhuri <>
Subject Riffle and Mahout
Date Mon, 19 Dec 2011 20:01:15 GMT
Does anyone have any code to share about how to use Riffle (and Cascading) with Mahout? I have
a class wrapping a Mahout operation, but I am getting a NullPointerException when I add this
class to my Cascade. I think the key line is this:

11/12/19 14:50:14 INFO flow.Flow: [mahoutVectorizer] atleast one sink does not exist

This is despite having a method annotated as follows:

    public Path getOutgoing() {
        return outputFilePath;

Any insight is appreciated.


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