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JBoss 4.0 Released

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JBoss, the self-proclaimed “professional open source company”, released JBoss Application Server 4.0 today.
The announcement follows closely behind the announcements of JBossCache 1.1 and the company’s
new partnership with Sleepycat Software.Integration abounds with the new version, as the industry throws its support behind the server.

JBoss Application Server 4.0 is the first open source J2EE
1.4-certified server, a dubious distinction it obtained in July after a rigorous
evaluation process. It is licensed under the Lesser General Public License, which Marc Fleury, JBoss chairman and CEO, believes is a business friendly license.

“JBoss AS 4.0 showcases JBoss’ ability to innovate ahead of the market and
deliver a uniquely architected product that significantly enhances
flexibility and combines the simplicity of standard Java with the power of
the J2EE platform,” said Marc Fleury, chairman and CEO of JBoss in a

JBoss AS 4.0 integrates with a number of open source Java products, including
Apache Tomcat 5, which is one of the most popular Java servlet containers available.
JBoss claims that the integrated Tomcat in JBoss AS 4.0 offers advantages over the standalone Tomcat,
such as high-performance, transactional HttpSession clustering over

In other JBoss news, the company recently announced JBossCache 1.1,
an application that provides both replicated and
transactional cache. The new version benefits from a new partnership
with Sleepycat Software, maker of Berkeley DB, which the company
released just a few months ago as part of its move into Java.

The JBoss/Sleepycat partnership means that Berkeley DB Java will be
integrated with JBossCache and will also benefit from the
“professional open source” support, which is the foundation of the JBoss
business model.

“Berkeley DB Java Edition and JBossCache bring unmatched performance and
reliability to enterprise-grade applications,” said Mike Olson, CEO of
Sleepycat, in a statement. “By pre-integrating JBossCache with Berkeley
DB Java Edition and committing to joint support and services, we are
making it faster and easier for developers to build high-performance Java

JBoss has continued to garner industry support of late. Novell recently
announced that it would be bundling JBoss as its Java Application server of choice. HP has also made moves to integrate JBoss with its servers.

This article was originally published on

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