Hello,

On my project we have quite a large codebase separated in several Maven 
multimodule projects. In one of the parent poms I have configured to use 
maven-dependency-plugin to verify that we use dependencies appropriately, as 
described here:
http://maven.apache.org/plugins/maven-dependency-plugin/examples/failing-the-build-on-dependency-analysis-warnings.html

Snippet from our parent pom:
<build>
  ...
    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-dependency-plugin</artifactId>
    </plugin>
  </plugins>
  <pluginManagement>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-dependency-plugin</artifactId>
        <version>2.0</version>
        <executions>
          <execution>
            <id>analyze</id>
            <phase>verify</phase>
            <goals>
              <goal>analyze-only</goal>
            </goals>
            <configuration>
              <failOnWarning>true</failOnWarning>
              <ignoreNonCompile>true</ignoreNonCompile>
            </configuration>
          </execution>
        </executions>
      </plugin>
    ...
  </pluginManagement>
</build>

When I run any lifecycle phase including verify (e.g. install, deploy) from 
that parent pom, every child module gets its dependency use checked, and the 
build fails on violations. All well!

But when I run eclipse:eclipse and specifies a "workspace" pom, which only 
lists modules from many different projects, some external to this project but 
still internal to the organization, for some reason Maven seems to do 
"something" with the maven-dependency-plugin execution config for that one 
multimodule project. The problem as I understand it, is that the projects 
involved in the "workspace" pom uses different versions of 
maven-dependency-plugin, and I see that Maven downloads both 2.0-alpha-4 and 
2.0 when I run eclipse:eclipse.

The error message I get from Maven is this:
[INFO] ------------------------------------------------------------------------
[INFO] Building project-x
[INFO]    task-segment: [eclipse:eclipse]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing eclipse:eclipse
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] 'analyze-only' was specified in an execution, but not found in the plugin
[INFO] ------------------------------------------------------------------------

When building project-x on its own, everything is OK. So why does Maven get 
confused on which plugin version it should use when the project-x is included 
as one of many modules of a super-super-pom?

Sorry for a very verbose mail, I hope it's possible to understand the problem. 
Thanks in advance for any help :)

Regards,
Rune Flobakk

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