I followed the wiki, and get error message on step of "generate a file
descriptor"
hadoop jar trunk/core/target/mahout-core-0.4-SNAPSHOT.job
org.apache.mahout.df.tools.Describe -p testdata/KDDTrain+.arff -f
testdata/KDDTrain+.info -d N 3 C 2 N C 4 N C 8 N 2 C 19 N L
10/03/15 10:07:00 INFO tools.Describe: Generating the descriptor...
10/03/15 10:07:00 INFO tools.Describe: generating the dataset...
10/03/15 10:07:00 ERROR data.DataLoader: 0: @relation 'KDDTrain'
Exception in thread "main" java.lang.IllegalArgumentException: Wrong number
of attributes in the string
at
org.apache.mahout.df.data.DataLoader.parseString(DataLoader.java:67)
at
org.apache.mahout.df.data.DataLoader.generateDataset(DataLoader.java:222)
at
org.apache.mahout.df.tools.Describe.generateDataset(Describe.java:120)
at org.apache.mahout.df.tools.Describe.runTool(Describe.java:109)
at org.apache.mahout.df.tools.Describe.main(Describe.java:94)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
2010/3/14 deneche abdelhakim <[email protected]>
> I committed the patch. Take the look at the wiki (
> http://cwiki.apache.org/MAHOUT/partial-implementation.html) to see how to
> classify new data.
>
> --- En date de : Ven 12.3.10, deneche abdelhakim <[email protected]> a
> écrit :
>
> > De: deneche abdelhakim <[email protected]>
> > Objet: Re: decision forest
> > À: [email protected]
> > Date: Vendredi 12 mars 2010, 10h53
> > I'll have some free time this
> > Saturday, I'll take a look at this issue. Hopefully I will
> > be able to commit the patch.
> >
> > --- En date de : Jeu 11.3.10, Cui tony <[email protected]>
> > a écrit :
> >
> > > De: Cui tony <[email protected]>
> > > Objet: Re: decision forest
> > > À: [email protected]
> > > Date: Jeudi 11 mars 2010, 2h55
> > > Is that a bug or my compiling
> > > problem?
> > >
> > > 2010/3/9 Cui tony <[email protected]>
> > >
> > > > I did the following :
> > > >
> > > > rm -rf ~/.m2
> > > > and in the trunk folder to mvn install :
> > > >
> > > > [...@master trunk]$ pwd
> > > > /data/hadoop/mahout/trunk
> > > > [...@master trunk]$ mvn clean install
> > -DskipTests=true
> > > >
> > > > Everything is fine, including install core and
> > utils,
> > > but when come to
> > > > examples, I meet the same error as I described
> > last
> > > mail.
> > > >
> > > >
> > > > 2010/3/9 Jake Mannix <[email protected]>
> > > >
> > > > On Mon, Mar 8, 2010 at 9:59 PM, Robin Anil <[email protected]>
> > > wrote:
> > > >>
> > > >> > I suspect your maven dependencies are
> > screwed
> > > up, I would suggest the
> > > >> > following.
> > > >> >
> > > >> > #clear the maven cache
> > > >> > rm -rf ~/.m2
> > > >> > #do a clean install
> > > >> > mvn clean install -DskipTests=true
> > > >> >
> > > >>
> > > >> ... from the top level mahout checkout
> > directory
> > > >>
> > > >
> > > >
> > >
> >
> >
> >
> >
>
>
>
>
