Sample multi-module project using Wildfly 8 with Java EE 7 and Java SE 8, based on the Wildfly BOM.
Build and install the modules into your local Maven repository:
$ mvn clean install
Run the EAR like this:
$ cd wildfly8-sample-ear
$ mvn wildfly:run
After Wildfly has finished starting up, visit
http://localhost:8080/wildfly8-sample-web/sample
and you should see the output returned by SampleServlet.