Introduction

This is a multi-module Maven project skeleton for a multi-module GWT project. This is mostly a note-to-self project but I hope that you can find it useful because it collects together, in a single place, several pieces of knowledge about Maven and GWT found scattered on the internet.

The project has separate modules for client, server and shared code, and provides a Web Application module for tying them all together.

The application is the one generated automatically by the Eclipse GWT Plugin when you create a new web application. To run it just do the following:

mvn clean install
cd maven-gwt-skeleton
mvn gwt:run

Importing the project into Eclipse

The prerequisite is that you have an Eclipse JEE installation with M2Eclipse and the GWT Plugin

To import the project do the following:

• Import all the Maven project using File->Import->Existing Maven projects.... You can choose the top-level POM for importing everything.

• For every project, go to Project->Properties->Build Path and for every source folder make sure that the Excluded attribute is set to none. M2Eclipse sets this attribute to ** by default on the resources paths, making the files there not visible in the classpath

• Make sure to add the target-eclipse/generated-sources/gwt as a source folder for the projects that automatically generates source code files. This is true, for example, for the maven-gwt-skeleton-client project.

• For every GWT project, setup GWT in Project->Properties->Google->Web Toolkit and Project->Properties->Google->Web Application (where applicable)

• For every project that has i18n messages, create a Run Configuration for generating i18n Messages classes. Use the following parameters:

  • Main class: com.google.gwt.i18n.tools.I18NSync

  • Program arguments: -out ${workspace_loc:maven-gwt-skeleton-client}/src/main/java org.aqufi.client.Messages -createMessages

  • Add the gwt-dev.jar in the class path (you can find it in the bundled GWT SDK in Eclipse's plugins directory)

• In the Web Application project (e.g. maven-gwt-skeleton-war) add the other GWT projects as referenced projects in Project->Properties->Build Path

• Create a new Web Application Run Configuration, and to the default VM Parameters line append the GWT modules you want to host (e.g., org.aqufi.GWTApp and org.aqufi.GWTAppClient)

Enjoy.