I've been using intellij IDEA since 0.5 and it has been a struggle to get it to work until 0.7 where it's a snap! - First you need to install maven 2 (works for me anyway) on your machine. Test from the command line to make sure it works outside of IDEA. - Get the project from git. Do this using the command line git. The first time you open IDEA should be later.
  - in the terminal go to the root dir of your cloned git mahout source.
- in the terminal run 'mvn idea:idea' as the git mahout repo readme says. This will generate an IDEA project. - now open the mvn generated mahout.iml project with IDEA. You can do a maven build from inside IDEA or outside now.

Hoorah for to whoever put in IDEA support!

On 6/6/12 3:16 AM, Sean Owen wrote:
The error from Maven indicates your installation is messed up.

No you do not need to install Hadoop. But Mahout needs Hadoop to
compile. Maven takes care of that for you, and it just works.

It sounds like you have a Maven problem locally.

On Wed, Jun 6, 2012 at 11:14 AM, Yaprak Ayazoglu
<[email protected]>  wrote:
Hi Filippo,

I tried to look at the version of the maven as below, but it gives some
error
that I do not understand. Does it mean that it cannot find the path of
maven?

ya@yaprak:~$ mvn -v
Error: Could not find or load main class org.codehaus.classworlds.Launcher

Hi Sean,

Do I need to install hadoop yet? Or, when I checkout the mahout project it
will
download the required jar files for me?

By the way, I attached the topmost .pom file.


On Wed, Jun 6, 2012 at 1:01 PM, Filippo Diotalevi<[email protected]>
wrote:
Hi,
have you tried
"mvn clean install"
?

Which version of Maven are you running?

--
Filippo Diotalevi


On Wednesday, 6 June 2012 at 10:58, Yaprak Ayazoglu wrote:

Hi,

I'm a newbie for Mahout project. I'm trying to "compile" the Mahout
project.
However, I'm facing some problems at maven dependencies.

Let me tell the procedure that I follow when I'm downloading Mahout
project:

I check out the Mahout project from git hub. Intellij successfully
clones
the
Mahout project from github.

However, in pom.xml it gives errors in the lines below:
...
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-common</artifactId>
<version>${hadoop.version}</version>
...
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-mapreduce-client-core</artifactId>
<version>${hadoop.version}</version>
</dependency>
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-mapreduce-client-common</artifactId>
<version>${hadoop.version}</version>
</dependency>
...
<skipTests>${skipTests}</skipTests>
...
etc.

In the hadoop case, I know that I somehow have to install hadoop
project.
But I dont
know why I have to install it?

Is there a simple way to compile Mahout? Is there a good documentation
at
web?

Thanks.
--
Yaprak





--
Yaprak


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