JBoss Wildfly

JBoss is Java EE Application Server implementation from RedHat. There are other alternatives like WebSphere and GlassFish.

WELD

Context and Dependency Injection implementation from JBOSS

• http://docs.jboss.org/weld/reference/latest/en-US/html/

Only in injected objects will have its dependencies injected. If you create an object with new all field having @inject, @ejb or @resource will not be injected.

Vaadin uses special @CDIUI

Hibernate and persistance JTA - Java Transaction Anotation and Resource Local. JTA is managed by container. Get EM by dependency injection.

JAX-WS (JAX WEBSERVICE)

https://docs.jboss.org/author/display/JBWS/JAX-WS+Tools