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From Suneel Marthi <smar...@apache.org>
Subject Re: compatibility of hadoop and mahout version
Date Tue, 28 Oct 2014 21:07:58 GMT
Yes and it should be compiled with Hadoop2 Profile (I am assuming that
should be the default).

On Tue, Oct 28, 2014 at 3:05 PM, Pavan Kumar N <pavan.narayanan@gmail.com>
wrote:

> Hi Suneel, Are you saying that if Mahout is forked from github here (
> https://github.com/apache/mahout), will it work on Hadoop 2.x?
>
>
>
> On 27 October 2014 01:37, Suneel Marthi <smarthi@apache.org> wrote:
>
> > Mahout 0.9 is not compatible Hadoop 2.x.  Either u can work off present
> git
> > codebase on HAdoop 2.x or try running Mahout 0.9 on Hadoop 1.2.1
> >
> > On Mon, Oct 27, 2014 at 1:34 AM, jyotiranjan panda <tell2jyoti@gmail.com
> >
> > wrote:
> >
> > > Hi,
> > > I have just started mahout learning last week.
> > > I am facing lots of problem in executing sample examples in mahout,
> > before
> > > I ask those errors, I want to confirm about the version compatibility
> of
> > > demons.
> > >
> > > I am using Apache Hadoop-2.3.0 with Mahout-distrubution-0.9 in
> > ubuntu14.04
> > > 32 bit Laptop.
> > > while running Mahout on command I don’t get any errors and it gives me
> > all
> > > the valid program names as output.But while executing a clustering
> > example
> > > it gives error as below.
> > >
> > >
> >
> ---------------------------------------------------------------------------
> > > hduser@localhostjp:/usr/local/hadoop$ hadoop jar mahouttest.jar
> > > Exception in thread "main" java.lang.NoClassDefFoundError:
> > > org/apache/mahout/math/Vector
> > >     at java.lang.Class.forName0(Native Method)
> > >     at java.lang.Class.forName(Class.java:270)
> > >     at org.apache.hadoop.util.RunJar.main(RunJar.java:205)
> > > Caused by: java.lang.ClassNotFoundException:
> > org.apache.mahout.math.Vector
> > >     at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> > >     at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> > >     at java.security.AccessController.doPrivileged(Native Method)
> > >     at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> > >     at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
> > >     at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
> > >     ... 3 more
> > >
> > >
> >
> -----------------------------------------------------------------------------------------------------------
> > >
> > > Regards
> > > JyotiRanjan Panda
> > >
> >
>

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