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• [http://markmail.org/message/4itian33hycyt4iz ] - maven dev
• [http://markmail.org/message/32j6w3xtwdjbi2h4 ] - commons dev
  

Site Generation

Configuration

See Maven 3.x and site plugin

The main issue with Maven3 are the changes to site generation. The <reporting> section no longer works - maven-site-plugin is now configured in the <plugins> section of <build> with reports report plugins configured in the site plugins configuration. See Maven 3.x and site pluginmaven-site-plugin's configuration.

Merging site configuration items from a parent POM

There's an issue with inheriting the maven-site-plugin's configuration from a parent and merging it with a components configuration - See:

• http://jira.codehaus.org/browse/MSITE-484
• http://jira.codehaus.org/browse/MNG-4856
• http://jira.codehaus.org/browse/PLXUTILS-134
  

At the moment the fix is to add combine.children="append" (See FAQs-1) - its not 100% and I don't currently know whether this is the only/permanent solution or whether the maven team is going to fix this properly. You can see an example of this here

{

         <plugin>
            <artifactId>maven-site-plugin</artifactId>
            <configuration>
              <reportPlugins combine.children="append">
                ...
              </reportPlugins>
            </configuration>
         </plugin>

}

Plan

• Testing
  • The section below documents the tests that have been carried out
  • For testing the site generation the following branches have been setup:
    • commons-parent https://svn.apache.org/repos/asf/commons/proper/commons-parent/branches/maven-3-test/
    • commons-chain https://svn.apache.org/repos/asf/commons/proper/chain/branches/test-maven3-profile/
• Upgrade components reporting plugins to use the latest versions (doing this first means any problems with plugins can be identified and fixed first - otherwise the cause might be either the plugin or Maven 3)
  • maven-checkstyle-plugin - see r1005273
  • maven-changes-plugin - see r1005274
• Update commons-parent
  • Add reporting plugins to <dependencyManagement> section
  • Site Plugin configuration - either:
    • remove <reporting> section and configure maven-site-plugin in the main <build> section
    • add a Maven 3 profile (automatically activated when M3 is used) with the site plugin configured - see example here
  • Release commons-parent
  • Release commons-sandbox-parent
• Update component pom's (if commons decides to adopt M3 support)
  • Update to use new commons-parent release
  • Site Plugin configuration - either:
    • remove <reporting> section and configure maven-site-plugin in the main <build> section
    • add a Maven 3 profile (automatically activated when M3 is used) with the site plugin configured - see example here
      
      

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