The gwt-maven-plugin provides support for GWT projects, including running the GWT developer tools (the compiler, shell and i18n generation) and performing support operations to help developers make GWT fit more closely in with their standard JEE web application development (debugging, managing the embedded server, running noserver, merging web.xml, generating I18N interfaces, generating Async GWT-RPC interfaces, and more) and environment (Eclipse IDE).
To provide you with better understanding of some usages of gwt-maven-plugin, you can take a look at the following goals, setup, and examples information:
GWT-maven plugin has merged with this plugin since version 1.1