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Posted to user@mahout.apache.org by Daniel Quach <da...@cs.ucla.edu> on 2012/01/30 22:52:40 UTC
mahout jar in classpath
I am trying to figure out which mahout jar file to include in the classpath if I want to use a DenseVector.
I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
Both times, javac tells me that the DenseVector symbol cannot be found.
Re: mahout jar in classpath
Posted by Manuel Blechschmidt <Ma...@gmx.de>.
Hi Daniel,
according to my checkout of the Mahout 0.5 tag. Dense Vector should be part of the math package:
./math/src/main/java/org/apache/mahout/math/DenseVector.java
Here is what is part of the jar in my maven repository.
$ jar -tf mahout-math-0.5.jar | grep DenseVector
org/apache/mahout/math/DenseVector$1.class
org/apache/mahout/math/DenseVector$AllIterator.class
org/apache/mahout/math/DenseVector$DenseElement.class
org/apache/mahout/math/DenseVector$NonDefaultIterator.class
org/apache/mahout/math/DenseVector.class
/Manuel
On 30.01.2012, at 22:52, Daniel Quach wrote:
> I am trying to figure out which mahout jar file to include in the classpath if I want to use a DenseVector.
>
> I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
>
> Both times, javac tells me that the DenseVector symbol cannot be found.
--
Manuel Blechschmidt
Dortustr. 57
14467 Potsdam
Mobil: 0173/6322621
Twitter: http://twitter.com/Manuel_B
Re: mahout jar in classpath
Posted by Ted Dunning <te...@gmail.com>.
It might be helpful to use some tools like maven to help with dependencies.
In addition there are some very good development tools like intellij that help with the import sorts of issues.
Sent from my iPhone
On Jan 30, 2012, at 14:15, Daniel Quach <da...@cs.ucla.edu> wrote:
> herp derp, I thought I was using the wrong jar in the classpath, actually I just forgot to put the import into my application. Sorry everyone, still rusty with the java!
>
> ----- Original Message -----
> From: "Daniel Quach" <da...@cs.ucla.edu>
> To: user@mahout.apache.org, "Suneel Marthi" <su...@yahoo.com>
> Sent: Monday, January 30, 2012 2:04:48 PM
> Subject: Re: mahout jar in classpath
>
> Indeed I did build them from trunk.
>
> Running that command, it does show DenseVector.class in the jar.
>
> I wonder if I perhaps entered the javac command incorrectly?
> It looks like this:
>
> javac -cp /usr/local/hadoop/hadoop-core-0.20.203.0.jar:/usr/local/mahout/math/target/mahout-math-0.6.SNAPSHOT.jar -d makevector_classes/ MakeVector.java
>
>
> ----- Original Message -----
> From: "Suneel Marthi" <su...@yahoo.com>
> To: user@mahout.apache.org
> Sent: Monday, January 30, 2012 1:58:21 PM
> Subject: Re: mahout jar in classpath
>
> DenseVector should be in mahout-math jar.
> Did you build your jars from trunk?
>
> What do you see when you run this?
>
> jar tvf mahout-math-0.6-SNAPSHOT.jar | grep DenseVector.class
>
>
>
> ________________________________
> From: Daniel Quach <da...@cs.ucla.edu>
> To: user@mahout.apache.org
> Sent: Monday, January 30, 2012 4:52 PM
> Subject: mahout jar in classpath
>
> I am trying to figure out which mahout jar file to include in the classpath if I want to use a DenseVector.
>
> I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
>
> Both times, javac tells me that the DenseVector symbol cannot be found.
Re: mahout jar in classpath
Posted by Daniel Quach <da...@cs.ucla.edu>.
herp derp, I thought I was using the wrong jar in the classpath, actually I just forgot to put the import into my application. Sorry everyone, still rusty with the java!
----- Original Message -----
From: "Daniel Quach" <da...@cs.ucla.edu>
To: user@mahout.apache.org, "Suneel Marthi" <su...@yahoo.com>
Sent: Monday, January 30, 2012 2:04:48 PM
Subject: Re: mahout jar in classpath
Indeed I did build them from trunk.
Running that command, it does show DenseVector.class in the jar.
I wonder if I perhaps entered the javac command incorrectly?
It looks like this:
javac -cp /usr/local/hadoop/hadoop-core-0.20.203.0.jar:/usr/local/mahout/math/target/mahout-math-0.6.SNAPSHOT.jar -d makevector_classes/ MakeVector.java
----- Original Message -----
From: "Suneel Marthi" <su...@yahoo.com>
To: user@mahout.apache.org
Sent: Monday, January 30, 2012 1:58:21 PM
Subject: Re: mahout jar in classpath
DenseVector should be in mahout-math jar.
Did you build your jars from trunk?
What do you see when you run this?
jar tvf mahout-math-0.6-SNAPSHOT.jar | grep DenseVector.class
________________________________
From: Daniel Quach <da...@cs.ucla.edu>
To: user@mahout.apache.org
Sent: Monday, January 30, 2012 4:52 PM
Subject: mahout jar in classpath
I am trying to figure out which mahout jar file to include in the classpath if I want to use a DenseVector.
I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
Both times, javac tells me that the DenseVector symbol cannot be found.
Re: mahout jar in classpath
Posted by Daniel Quach <da...@cs.ucla.edu>.
Indeed I did build them from trunk.
Running that command, it does show DenseVector.class in the jar.
I wonder if I perhaps entered the javac command incorrectly?
It looks like this:
javac -cp /usr/local/hadoop/hadoop-core-0.20.203.0.jar:/usr/local/mahout/math/target/mahout-math-0.6.SNAPSHOT.jar -d makevector_classes/ MakeVector.java
----- Original Message -----
From: "Suneel Marthi" <su...@yahoo.com>
To: user@mahout.apache.org
Sent: Monday, January 30, 2012 1:58:21 PM
Subject: Re: mahout jar in classpath
DenseVector should be in mahout-math jar.
Did you build your jars from trunk?
What do you see when you run this?
jar tvf mahout-math-0.6-SNAPSHOT.jar | grep DenseVector.class
________________________________
From: Daniel Quach <da...@cs.ucla.edu>
To: user@mahout.apache.org
Sent: Monday, January 30, 2012 4:52 PM
Subject: mahout jar in classpath
I am trying to figure out which mahout jar file to include in the classpath if I want to use a DenseVector.
I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
Both times, javac tells me that the DenseVector symbol cannot be found.
Re: mahout jar in classpath
Posted by Suneel Marthi <su...@yahoo.com>.
DenseVector should be in mahout-math jar.
Did you build your jars from trunk?
What do you see when you run this?
jar tvf mahout-math-0.6-SNAPSHOT.jar | grep DenseVector.class
________________________________
From: Daniel Quach <da...@cs.ucla.edu>
To: user@mahout.apache.org
Sent: Monday, January 30, 2012 4:52 PM
Subject: mahout jar in classpath
I am trying to figure out which mahout jar file to include in the classpath if I want to use a DenseVector.
I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
Both times, javac tells me that the DenseVector symbol cannot be found.
Re: mahout jar in classpath
Posted by Sean Owen <sr...@gmail.com>.
DenseVector is definitely in math. You can use 'jar tf' to see it. There
must be something else going on in your javac command.
On Mon, Jan 30, 2012 at 9:52 PM, Daniel Quach <da...@cs.ucla.edu> wrote:
> I am trying to figure out which mahout jar file to include in the
> classpath if I want to use a DenseVector.
>
> I tried mahout-math-0.6-SNAPSHOT.jar and mahout-core-0.6-SNAPSHOT.jar
>
> Both times, javac tells me that the DenseVector symbol cannot be found.