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https://issues.apache.org/jira/browse/MAHOUT-205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12797111#action_12797111
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Sean Owen commented on MAHOUT-205:
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Now, it may still be my environment, since I was still seeing compile problems.
I completely reset my installation. After this patch I get errors like...
/Users/srowen/Documents/Development/Mahout/core/src/main/java/org/apache/mahout/math/VectorWritable.java:[42,34]
cannot find symbol
symbol : constructor DenseVector(org.apache.mahout.math.Vector)
location: class org.apache.mahout.math.DenseVector
/Users/srowen/Documents/Development/Mahout/core/src/main/java/org/apache/mahout/math/DenseMatrixWritable.java:[30,17]
cannot find symbol
symbol : method rowSize()
location: class org.apache.mahout.math.DenseMatrixWritable
Does this make any sense?
> Pull Writable (and anything else hadoop dependent) out of the matrix module
> ---------------------------------------------------------------------------
>
> Key: MAHOUT-205
> URL: https://issues.apache.org/jira/browse/MAHOUT-205
> Project: Mahout
> Issue Type: Improvement
> Components: Math
> Affects Versions: 0.1
> Environment: all
> Reporter: Jake Mannix
> Assignee: Jake Mannix
> Priority: Minor
> Fix For: 0.3
>
> Attachments: MAHOUT-205.patch, MAHOUT-205.patch
>
>
> Vector and Matrix extend Writable, and while that was merely poorly coupled
> before, it will be an actual problem now that we have a separate submodule
> for matrix: this module should not depend on hadoop at all, ideally.
> Distributed matrix work, as well as simply Writable wrappers can go somewhere
> else (where? core? yet another submodule which depends on matrix?), but it
> would be really nice if we could produce an artifact which doesn't require
> Hadoop which has our core linear primitives.
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