More on dm Server and Javas Future

By Darryl K. Taft  |  Posted 2010-01-12 Print this article Print


Colyer continued:

"The dm Server today provides a state-of-the-art server platform for modular enterprise application development based on OSGi and the Spring Dynamic Modules (now standardized as the OSGi Blueprint Service) programming model. Enterprise OSGi, and the dm Server, have made huge advances. And yet it is fair to say that adoption of OSGi for enterprise application development does not come without a cost. Like many new technologies, an initial investment has to be made that will pay back over time. ...

"There is a great deal of interest and innovation around enterprise OSGi and the dm Server. This interest is strongest amongst early adopters, and projects with requirements that match closely to the dynamically modular nature of the OSGi Service Platform.

For a mainstream development team, though, who just want to build an enterprise application as quickly as possible, and with as little hassle as possible, the costs currently associated with adopting enterprise OSGi can outweigh the short-term benefits.

This situation needs to be addressed before enterprise OSGi can become the de facto approach for mainstream enterprise application development. Please note that I'm talking about enterprise application development here; if you're writing infrastructure software and need to create a 'stackless stack' (Kirk [Knoernschild], James Governor) then OSGi is already the de facto approach, and fully supported by the dm Server and the associated dm kernel sub-project."

Moreover, in a Jan. 12 blog post, Milinkovich said:

"The future of Java technology in the enterprise rests with its rapidly evolving ability to regain its original promise of lightweight, flexible and dynamic application development and deployment. In other words, the faster Java gets to the stackless stack, the brighter its future will be."

In addition, Milinkovich noted, "SpringSource has long been one of the most visible and vocal leaders of lightweight, componentized Java run-times."

In his post, Colyer said SpringSource knows the value of open-source development and community building, as the company was founded on the open-source Spring Framework.

"We know because it is a path we have successfully taken many times," Colyer said. "In creating the Virgo project at, we seek to accelerate the journey of the dm Server and of enterprise OSGi along this path."

Taking the project to Eclipse was the right move, and the technology is a good fit, he added.

"The dm Server builds on, and tightly integrates with, Eclipse Equinox-the reference implementation of the OSGi Service Platform," Colyer said. "In addition, the recently proposed Gemini project at will host reference implementations of many of the key enterprise OSGi specifications supported by Virgo-including the SpringSource-led Gemini Web Container and Gemini Blueprint Service projects. The dm Server development tools are also all Eclipse-based. As an Eclipse RT project, Virgo will benefit from close collaboration with the OSGi community at, the ability for multiple parties to contribute to its ongoing development and feedback from the Eclipse user base to help shape future direction." 

Darryl K. Taft covers the development tools and developer-related issues beat from his office in Baltimore. He has more than 10 years of experience in the business and is always looking for the next scoop. Taft is a member of the Association for Computing Machinery (ACM) and was named 'one of the most active middleware reporters in the world' by The Middleware Co. He also has his own card in the 'Who's Who in Enterprise Java' deck.

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