I'm also seeing these warnings with Maven 3.0 with the latest trunk, also some missing 'reporting.plugins.version' for maven-surfire-report-plugin, maven-checkstyle-plugin, maven-javadoc-plugin, maven-pmd-plugin; finally 'repositories.repository.layout' for java.net.legacy uses unsupported value 'legacy', artifact resolution might fail. @org.apache.mahout:mahout:-.4-SNAPSHOT. /home/dev/workspace/mahout/pom.xml, line 127, column 21.

Again, Tim's patch fixed the compile error.

On 10/15/10 12:38 AM, deneche abdelhakim wrote:
I was using maven 2.2.1 and the build was successful (I had other issues 
though). But when I installed maven 3.0 I got a lot of warnings like this one:

Some problems were encountered while building the effective model for 
org.apache.mahout:mahout-math:jar:0.4-SNAPSHOT
[WARNING] 'build.plugins.plugin.(groupId:artifactId)' must be unique but found 
duplicate declaration of plugin 
org.apache.maven.plugins:maven-remote-resources-plugin @ 
org.apache.mahout:mahout:0.4-SNAPSHOT, /home/hakim/mahout-last/pom.xml, line 
405, column 21

and the build failed with the following error:

[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-remote-resources-plugin:1.0:process (default) on 
project mahout: Error loading supplemental data models: Could not find resource 
'supplemental-models.xml'.

Making the change suggested by Tim fixes the problem of the build, although I'm 
still getting the warnings.

--- En date de : Jeu 14.10.10, Tim Liu<[email protected]>  a écrit :

De: Tim Liu<[email protected]>
Objet: Re: Building mahout
À: [email protected]
Date: Jeudi 14 octobre 2010, 21h10

The problem is gone after I modify top level's pom.xml (Line # 396) to have
right path for the file supplemental-models.xml.

I am wondering how it works w/o modification.

new
===
<appendedResourcesDirectory>*.*
/src/main/appended-resources</appendedResourcesDirectory>

old
==
<appendedResourcesDirectory>*..*
/src/main/appended-resources</appendedResourcesDirectory>

thanks

Tim

On Thu, Oct 14, 2010 at 7:01 AM, Jeff Eastman<[email protected]>wrote:

   I just did a clean checkout on my Mac and it built without issue. I'm
going to look for a file system permission issue on the other box where
building from the command line fails with the same symptoms as reported in
this issue.


On 10/13/10 9:45 PM, Chris Schilling wrote:

Yeah, I see the same thing (eclipse helios, m2eclipse plugin).  Ive been
building from the command line and importing the "maven" project into
eclipse.


On Oct 13, 2010, at 8:38 PM, gabeweb wrote:

   If it helps, I get this problem with the trunk when building from within
Eclipse 1.5 using the m2 plugin on OS X 10.6, but not when building from
the
command line.  So I'm currently just building from the command line :)
--
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