org.codehaus.mojo:dependency-maven-plugin takes precedence over org.apache.maven.plugins:maven-dependency-plugin

When an attempt is made to configure the org.apache.maven.plugins:maven-dependency-plugin, maven resolves the org.codehaus.mojo:dependency-maven-plugin plugin instead.

As a result of the different plugin config syntax, execution fails.

According to available docs and Google, specifying absolute behaviour when a plugin namespace clash occurs is either not possible, or not documented.