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Spring in Finance eXchange 2008: Sam Brannen on Building Web Applications with the SpringSource dm Server
Building Web Applications with the SpringSource dm Server
If you're a Java web developer, you're certainly familiar with monolithic WAR
deployments and library bloat, and you've probably thought numerous times,
"There must be a better way." Well, there is! By building on the benefits of an
OSGi runtime environment and combining the Spring and Spring-DM programming
models, the SpringSource dm Server offers enterprise web developers exciting new
opportunities. This session will focus on developing web applications in an OSGi
environment and will include a discussion of the migration path from a standard
Java EE WAR to a fully OSGi-enabled web application packaged as a Web Module
within a PAR.
We will begin with an overview of deployment and packaging options
available on the dm Server and then take a closer look at each supported web
deployment model from Standard WARs to Shared Libraries WARs, Shared Services
WARs, and finally Web Modules. Attendees will walk away with a solid
understanding of how to both develop and deploy next generation web applications
on the SpringSource dm Server.
Review:
Sam Brannen is a member of the dm Server development team and his focus is mainly on OSGi-enabled web deployment models and Tomcat integration in the dm Server. His talk begins with a brief introduction to OSGi, Spring-DM and dmServer. Furthermore, interesting properties of the server are shown in the live demos.
The main problem that the dm Server has is monolithic WAR deployments that hinder modularity and promote library bloat. Libraries can be dynamically installed or refreshed and different versions of a library can run at the same time. This way, different layers of a web application can be deployed separately on the server. The dm Server is a Java based server platform with an OSGi container and it is therefore the ideal place to run Spring applications, according to Sam. He goes on to discuss some properties of PAR files.
Another subject of the talk are various web application deployment options. Finally, Sam demonstrates a series of “Hello World” applications in order to emphasise the importance of using OSGi bundles.
Download the SpringSource dmServer here...
Review by Eren Aykin
Download the slides here
ABOUT SAM BRANNEN
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Sam Brannen is a Senior Software Engineer at SpringSource where he serves as a
member of the SpringSource dm Server development team, focusing primarily on
OSGi-enabled web deployment models and Tomcat integration in the dm Server.
More about Sam Brannen
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PODCAST BUILDING WEB APPLICATIONS WITH THE SPRINGSOURCE DM SERVER
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