System Requirements

At a bare minimum you need at least the following:

  • JDK 8

  • Maven 3.3.x

Java 8

WildFly leverages the Java 8 API’s, in particular lambdas and the collection enhancements. Therefore the JDK 8 is required to build and run WildFly Swarm applications:

Maven 3.3.x

The Maven Plugin, that performs most of the work when packaging WildFly Swarm applications requires at maven 3.3.x:

If running WildFly Swarm from within the IDE, especially mvn wildfly-swarm:run, you will need to verify that the IDE uses this Maven version. Typically IDEs will be running a Maven version less than 3.2.x which will cause issues