Weld is the reference implementation of CDI: Contexts and Dependency Injection for the Java EE Platform which is a JCP standard for dependency injection and contextual lifecycle management and one of the most important and popular parts of the Java EE.

Weld is integrated into many Java EE application servers such as WildFly, JBoss Enterprise Application Platform, GlassFish, Oracle WebLogic Server, WebSphere Application Server and others. Weld can also be used in plain servlet containers (Tomcat, Jetty) or Java SE.

Try Weld Today

To use Weld today, download the WildFly server (formerly JBoss AS) and add the following code to the pom.xml file of your application:


For alternative ways of using Weld, see the download section or the reference documentation.

Weld Book

The latest book on Weld is now available:

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