GlassFish

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GlassFish
Developed by Sun Microsystems
Latest release V2.1 / 2009-01-21; 82 days ago
Preview release V3
Written in Java
Operating system Cross-platform
Type Application server
License Common Development and Distribution License & GNU General Public License
Website http://glassfish.org/

GlassFish is an open source application server project led by Sun Microsystems for the Java EE platform. The commercial 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 based on source code donated 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 NIO for scalability and speed.

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[edit] Releases

The project was launched 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).

In version 3, GlassFish adds new features to ease migration from Tomcat to GlassFish. [2]. The other main new features are around modularity (GlassFish v3 Prelude shipped with an Apache felix OSGi runtime), startup time (a few seconds), deploy-on-change (provided by NetBeans and Eclipse plugins), and [3]. GlassFish v3 "final" is set to be aligned with the upcoming Java EE 6 release.

[edit] See also

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[edit] References

  1. ^ The Java Community Process(SM) Program - JSRs: Java Specification Requests - detail JSR# 289
  2. ^ GlassFish v3 adds support for Tomcat-style valves
  3. ^ session preservation across redeployments

[edit] External links

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