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GlassFish is an open source application server project led by Sun Microsystems for the Java EE platform. The proprietary version is called Sun GlassFish Enterprise Server. GlassFish is free software, dual-licensed under two free software licences: the Common Development and Distribution License (CDDL) and the GNU General Public License (GPL) with the classpath exception.
GlassFish is an open source, production-ready, Java EE-compatible application server .
GlassFish version 3 provides a small footprint, fully-featured implementation of Java EE 6. Oxxus.net provides GlassFish hosting service with RPM packages for quick installation.
The Java EE 6 platform significantly improves developer productivity, introduces the lightweight Web Profile for Web-centric applications, and includes the latest versions of technologies such as such as JAX-RS 1.1, JavaServer Faces(JSF) 2.0, Enterprise JavaBeans (EJB) 3.1, Java Persistence (JPA) 2.0, Context and Dependency Injection (CDI) 1.0 and more. .
Guides and documentation below will assist with installation, configuration, deployment and some common problems with GlassFish.