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https://issues.apache.org/jira/browse/MAHOUT-768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277256#comment-13277256
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Hudson commented on MAHOUT-768:
-------------------------------
Integrated in Mahout-Quality #1489 (See
[https://builds.apache.org/job/Mahout-Quality/1489/])
MAHOUT-768 - Fixed dependencies at top-level and in distribution. (Revision
1339406)
Result = FAILURE
tdunning :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1339406
Files :
* /mahout/trunk/distribution/pom.xml
* /mahout/trunk/pom.xml
> Duplicated DoubleFunction in mahout and mahout-collections (mahout.math
> package).
> ---------------------------------------------------------------------------------
>
> Key: MAHOUT-768
> URL: https://issues.apache.org/jira/browse/MAHOUT-768
> Project: Mahout
> Issue Type: Improvement
> Components: collections, Math
> Affects Versions: 0.5, collections-1.0
> Reporter: Dawid Weiss
> Assignee: Ted Dunning
> Priority: Minor
> Fix For: 0.7
>
>
> DoubleFunction is duplicated in Mahout Math and Collections. There are also
> other things inside m.math.* package that are kept there to avoid circular
> dependencies... Simply removing DoubleFunction from collections is not going
> to work because it is needed for compilation (again, circular dependency
> between collections and math). I see two solutions:
> 1) extract the common definitions inside math.function.* into a separate
> module. This is a clean solution, but obviously scatters the code even
> further.
> 2) create a compilation-time, optional dependency on mahout 0.5 in
> collections, remove the entire mahout.math.* subpackage from collections and
> live with this. I don't know how Maven handles circular dependencies of this
> type:
> collections [trunk] -> [optional, required at build time] mahout.math 0.5
> mahout.math [trunk] -> collections [trunk]
> it seems tricky and error-prone, but should also work.
> Looking for other ideas of cleaning this mess up, of course.
> Dawid
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