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http://jira.codehaus.org/browse/MNG-4638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=218615#action_218615
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Benjamin Bentmann commented on MNG-4638:
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bq. Is there a Wiki page on migration notes yet.
Yes, see the [Maven 3.x Compatibility
Notes|https://cwiki.apache.org/confluence/display/MAVEN/Maven+3.x+Compatibility+Notes].
This page is linked from the Maven download section as well as the release
announcement.
bq. Everywhere I read it said that whatever runs on maven2 should run on maven
3 as well.
No, in this form the statemennt does simply not hold. While we try to maintain
as much backward-compatibility as reasonable and feasible, there are
differences in API and behavior that some plugins/builds can notice.
> Sonatype repositories defined in POM not used for dependency resolution
> -----------------------------------------------------------------------
>
> Key: MNG-4638
> URL: http://jira.codehaus.org/browse/MNG-4638
> Project: Maven 2 & 3
> Issue Type: Bug
> Components: Dependencies
> Affects Versions: 3.0-alpha-7
> Environment: Ubuntu 10.10 on Del Lattitude E6400
> Reporter: Deep Joy Majumdar
> Assignee: Benjamin Bentmann
>
> Building the simple-air maven project from
> http://svn.sonatype.org/flexmojos/trunk/flexmojos-testing/flexmojos-test-harness/projects/concept/simple-air/
> on M3 alpha 7 fails when using sonatype's repository for resolving flex
> dependencies as described at
> http://www.sonatype.com/books/mvnref-book/reference/flex-dev-sect-config-build.html
> The build works fine on Maven2 with the following added to the pom.xml
> <properties>
> <flexmojos.version>3.6.1</flexmojos.version>
> <flex.version>3.2.0.3958</flex.version>
> </properties>
> <repositories>
> <repository>
> <releases>
> <enabled>true</enabled>
> </releases>
> <snapshots>
> <enabled>true</enabled>
> </snapshots>
> <id>flexmojos</id>
> <url>http://repository.sonatype.org/content/groups/flexgroup/</url>
> </repository>
> </repositories>
> I have installed the adt jar with
> mvn install:install-file -DgroupId=com.adobe.flex -DartifactId=adt
> -Dversion=3.2.0.3958 -Dpackaging=jar -Dfile=adt.jar
> But when I switch to M3a7 it doesn't seem to recognize the external
> repository. I am using different local repository locations for m2 and m3.
> I tried getting M3 from svn trunk and building that but still no luck
> I tried shifting to the new version 4.0-alpha of flexmojos which requires M3
> but still no luck
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