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From Xiangrui Meng <>
Subject Re: Classpath errors with Breeze
Date Mon, 09 Jun 2014 05:16:52 GMT
Hi dlaw,

You are using breeze-0.8.1, but the spark assembly jar depends on
breeze-0.7. If the spark assembly jar comes the first on the classpath
but the method from DenseMatrix is only available in breeze-0.8.1, you
get NoSuchMethod. So,

a) If you don't need the features in breeze-0.8.1, do not include it
as a dependency.


b) Try an experimental features by turning on
spark.files.userClassPathFirst in your Spark configuration.


On Sun, Jun 8, 2014 at 10:08 PM, dlaw <> wrote:
> Thanks for the quick response. No, I actually build my jar via 'sbt package'
> on EC2 on the master itself.
> --
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