[m2.0.2]maven-clean-plugin' does not exist or no valid version could be found

[Xavier Toth]

I updated to Maven 2.0.2 and now my build fails because it can't find a
version of the clean plugin it likes. I've looked at my repository and I
have 2.0 and 2.1 versions of the plugin. Any ideas on how to resolve this? I
tried putting the following in my top level build
  <build>
    <pluginManagement>
        <plugins>
            <plugin>
              <artifactId>maven-clean-plugin</artifactId>
              <version>2.1</version>
            </plugin>

child modules all inherit from this parent but it doesn't help.

Ted