[jira] Updated: (MNG-4487) POM allows duplicate plugin configuration

["Benjamin Bentmann (JIRA)" <ji...@codehaus.org>]

     [ http://jira.codehaus.org/browse/MNG-4487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benjamin Bentmann updated MNG-4487:
-----------------------------------

    Attachment: MNG-4487.zip

A complete example project with a duplicate plugin declaration as suggested by your POM snippet. Independently of the question whether this should cause a warning/error, I don't see how this confuses Maven. This example builds (the duplicate declarations are merged).

> POM allows duplicate plugin configuration
> -----------------------------------------
>
>                 Key: MNG-4487
>                 URL: http://jira.codehaus.org/browse/MNG-4487
>             Project: Maven 2
>          Issue Type: Improvement
>    Affects Versions: 2.0.9
>            Reporter: Ken Wong
>            Priority: Minor
>         Attachments: MNG-4487.zip
>
>
> I have a project that uses FlexMOJO to compile the swc and then optimize and create a swf. If you look at the following pom extract, you will see that I defined the configuration for the same plugin twice (flexmojos-maven-plugin). There was no error but having the duplicate definition caused maven to be confused and the locale and namespace parameters ended up being 'lost'. If I comment out the 2nd part, then it works. If having duplicate definition confuses maven, it would be nice to have it throw an error when it sees duplicate configuration for the same plugin, instead of yielding confusing result.
> build>
>                 <plugins>
>                         <plugin>
>                                 <groupId>org.sonatype.flexmojos</groupId>
>                                 <artifactId>flexmojos-maven-plugin</artifactId>
>                                 <configuration>
>                                         <compiledLocales>
>                                                 <locale>en_US</locale>
>                                                 <locale>es_ES</locale>
>                                                 <locale>ja_JP</locale>
>                                         </compiledLocales>
> resourceBundlePath>
>                                         <namespaces>
>                                                 <namespace>
>                                                         <uri>http://www.stoneriver.com/2009/uicore</uri>
>                                                         <manifest>${basedir}/src/manifest.xml</manifest>
>                                                 </namespace>
>                                         </namespaces>
>                                         <includeNamespaces>
>                                                 <namespace>http://www.stoneriver.com/2009/uicore</namespace>
>                                         </includeNamespaces>
>                                 </configuration>
>                         </plugin>
>                                  <plugin>
>                                  <groupId>org.sonatype.flexmojos</groupId>
>                                  <artifactId>flexmojos-maven-plugin</artifactId>
>                                  <executions>
>                                  <execution>
>                                  <goals>
>                                  <goal>optimize</goal>
>                                  </goals>
>                                  </execution>
>                                  </executions>
>                                  </plugin>
>  
>                 </plugins> 
> </build>

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