Screenshot  | |
| Original author(s) | Bull |
|---|---|
| Developer(s) | OW2 |
| Initial release | September 7, 1999 |
| Stable release | 5.3.0[1]
/ October 4, 2013 |
| Repository | |
| Written in | Java |
| Operating system | Cross-platform |
| Type | Application server |
| License | LGPL 2.1 |
| Website | jonas |
JOnAS is an open-source implementation of the Java EE application server specification, developed and hosted by the OW2 consortium, having been originally been created by Groupe Bull. JOnAS is released under the LGPL 2.1 open-source license.
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Java EE Certification
JOnAS 5.1 is Java EE 5 certified, as of March 17, 2009. It was the first open-source server certified for free, using a process known as "J2EE scholarship" and established by Sun for non-profit organizations[citation needed]. The new JOnAS 5 architecture is based on top of an OSGi framework which makes the development of dynamic components much easier than before[citation needed].
JOnAS 5.3 is Java EE 6 certified, but only for the web profile.[2]
Management console
JOnAS has a comparatively clear remote management console, providing easily accessible tools for remote uploading and deploying of the web applications[citation needed], configuring both secure and ordinary web access ports and managing the user name - password - role datasets. This console is based on the JavaScript[citation needed]. From the first impression, the consoles of the comparable open source Java EE servers seem more confusing, with many needed features not immediately visible[citation needed]. This is, however, more important in the teaching process, as Java EE servers are not meant to be managed by the unprepared end user[citation needed].
Java EE Environment
JOnAS is an open source Java EE 6 application server. It provides a fully compliant EJB container through EasyBeans and is available with an embedded Tomcat or Jetty web container. Any 1.6 JVM is supported, and the attempts to run on a free stack with GNU Classpath are very promising. JOnAS can run on numerous operating systems including Linux, Windows, AIX, many Posix platforms, and others, as long as a suitable JVM is available.
OSGi Environment
As of its version 5, JOnAS is fully based on the OSGi framework; using either Apache Felix, Eclipse Equinox or Knopflerfish (though the default JOnAS packaging comes with Apache Felix). This means that all JOnAS components are packaged as bundles, for example the full JOnAS profile comes with more than 250 bundles.
The service layer is implemented using Apache iPOJO, therefore most Java-EE-certified JOnAS services (persistence, EJB, resources, ...) are directly available as OSGi services to all OSGi bundles deployed on JOnAS. The inverse is also true: for example, an EJB3 can directly access any number of OSGi services using dynamic injection.
See also
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Notes
- ^ "JOnAS 5.3.0 released". OW2 JOnAS Wiki. Archived from the original on 2014-02-03. Retrieved 2014-03-13.
- ^ "OW2 Tested Configuration". Archived from the original on 2013-12-24. Retrieved 2013-12-22.
External links
- JOnAS Project Web Site
- JOnAS team blog
- An article describing how to deploy EJB3s and web services in JOnAS 4
This page was last edited on 27 May 2024, at 05:39