I\'m using Eclipse Indigo on Win XP, Maven 3.0.3 and GWT 2.4. I created a Maven-GWT project using the Mavne gwt archetype. Then I opened Eclipse, went to
See How to solve "Plugin execution not covered by lifecycle configuration" for Spring Data Maven Builds
You can basically just copy the snippet from http://code.google.com/p/google-web-toolkit/wiki/WorkingWithMaven#POM_changes_needed_for_Eclipse_Indigo and adapt to your plugins and goals.