GlassFish is an open-source application server project started by Sun Microsystems for the Java EE platform and now sponsored by Oracle Corporation. The supported version is called Oracle GlassFish 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 the reference implementation of Java EE and as such supports Enterprise JavaBeans, JPA, JavaServer Faces, JMS, RMI, JavaServer Pages, servlets, etc. This allows developers to create enterprise applications that are portable and scalable, and that integrate with legacy technologies. Optional components can also be installed for additional services.
GlassFish is based on source code released by Sun and Oracle Corporation's TopLink persistence system. It uses a derivative of Apache Tomcat as the servlet container for serving Web content, with an added component called Grizzly which uses Java New I/O (NIO) for scalability and speed.
Releases
Sun Microsystems launched the GlassFish project on 6 June 2005. On 4 May 2006, Project GlassFish released the first version that supports the Java EE 5 specification.
On 8 May 2007 Project SailFin was announced at JavaOne as a sub-project under Project GlassFish. Project SailFin aims to add Session Initiation Protocol (SIP) servlet functionality to GlassFish.[1]
On 17 September 2007 the GlassFish community released version 2 (aka Sun Java System Application Server 9.1) with full enterprise clustering capabilities, Microsoft-interoperable Web Services.
On 21 January 2009 Sun Microsystems and the community released version GlassFish 2.1 (aka Sun GlassFish Enterprise Server 2.1) which serves as the basis for the Sailfin SIP AppServer project (aka Sun Communication Application Server).
On 10 December 2009 GlassFish v3 was released. Being the Java EE reference implementation, this was the first application server to completely implement Java EE 6 JSR 316. JSR 316 was however approved with reservations. In this version GlassFish adds new features to ease migration from Tomcat to GlassFish.[2] The other main new features are around modularity (GlassFish v3 Prelude already shipped with an Apache Felix OSGi runtime), startup time (a few seconds), deploy-on-change (provided by NetBeans and Eclipse plugins), and session preservation across redeployments.[3]
On 25 March 2010, soon after the acquisition of Sun Microsystems, Oracle issued a Roadmap for versions 3.0.1, 3.1, 3.2 and 4.0 with themes revolving around clustering, virtualization and integration with Coherence and other Oracle technologies. The open source community remains otherwise unaffected.
On 28 February 2011, Oracle Corporation released GlassFish v3.1. This version introduced support for ssh-based provisioning, centralized admin, clustering and load-balancing. It maintains its support for both the Web Profile and full Java EE 6 Platform specifications.
On 28 July 2011, Oracle Corporation released GlassFish v3.1.1. This is fix release for GlassFish v3.1 with multiple component updates (Weld, Mojarra, Jersey, EclipseLink, ...), JDK 7 support, AIX support and more.
On 29 February 2012, Oracle Corporation released GlassFish v3.1.2. This release includes bug fixes and new features including administration console enhancements, transaction recovery from a database and new thread pool properties.
On 17 July 2012, Oracle Corporation released GlassFish v3.1.2.2. This is a "micro" release to address some exceptional issues in the product.[4]
See also
Other CDDL-licensed, Java-based services:
Other Java EE application servers:
References
External links
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