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From Jake Mannix <>
Subject Re: The perennial "Error: java.lang.ClassNotFoundException: org.apache.mahout.math.Vector" problem
Date Mon, 09 May 2011 00:09:18 GMT
I haven't run a post 0.4 mahout build on a production hadoop cluster before
this, and I'm baffled that we have a job jar which simply -does not work-.
Is this really not me, and our stock examples jobs are broken on hadoop?


On May 8, 2011 4:14 PM, "Sean Owen" <> wrote:

(The build error indicates you have some old class files somewhere --
"clean" first)

Here, the lib/ directory definitely has the right dependencies and it
still doesn't work. Benson investigated and found out it's just how
Hadoop works in this case.

On Mon, May 9, 2011 at 12:06 AM, Ken Krugler <>
wrote: > I haven't been ...

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