New m2e maven plugin error.

I migrated my applications to STS 2.8.0 and, then to the new n2e maven plugin.
However I got an error about lifecycle.
Plugins org.codehaus.mojo:gwt-maven-plugin:2.2.0:resources and com.vaadin:vaadin-maven-plugin:1.0.1:update-widgetset seems to be missing.
Posted the error to the STS forum they answered :
"It looks like there is no lifecycle mapping for vaadin available yet (or at least I couldn’t find one). I think the best solution is to mark this plugin as ignored. If you want, you can also send a message to the vaadin mailing list (or whoever is in charge of the vaadin-maven-plugin) and ask them to implement a lifecycle mapping plugin. "
What’s the solution ?

No answer ?