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From Ted Dunning <>
Subject Re: Build error
Date Sun, 23 Dec 2012 21:42:32 GMT
To amplify others comments, make sure that when you open the Mahout
project, you actually just open the pom.xml file at the top-level.  It is a
bad idea to try to do anything like import existing sources because a
significant amount of the code is generate which would make a naively
configured. compilation break.

IntelliJ is smart enough to treat a pom as a project and will mostly do the
right thing.  One thing that it tends not to do is to actually generate the
code in the math library.  I would recommend doing one build using maven
before depending completely on IntelliJ's internal build.  Using
-DskipTests can save a lot of time on that build.

On Sun, Dec 23, 2012 at 4:30 AM, Robin Chesterman <
> wrote:

> Hi everyone, I'm just starting out with Mahout - just bought Mahout in
> Action!
> I'm using IntelliJ idea and got the latest Mahout from git, but it comes up
> with about a hundred or so errors when I build the project (exclusively in
> the 'math' section), such as:
> import org.apache.mahout.math.set.OpenIntHashSet;
> "Cannot resolve symbol OpenIntHashSet"
> Similar problems exist for DoubleArrayList, DoubleDoubleProcedure, and
> others.
> Sure enough, none of these classes exist. I must be making a basic error...
> Thanks,
> Robin

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