December 16, 2008 – OSGi


OSGi is a Java-based component architecture that has gained a lot of traction recently. It is simple, provides dynamic updates of components and supports working with different versions of the same JAR or component. OSGi is used to build complex applications like Eclipse, application servers (GlassFish, IBM Websphere, OpenEJB, Oracle/BEA Weblogic, Jonas, JBoss), application frameworks (Spring, Guice), and more. We will discuss the following topics:

• The basic OSGi architecture (bundles, manifests and services)
• OSGi Implementations (Equinox, Felix, Knopflerfish)
• Concrete Uses of OSGi (Eclipse, …)
• Developing OSGi Bundles (Eclipse PDE, Maven, PAX-tools, …)
• OSGi Examples


Felix Mayer is a German national living in Atlanta since 1996. He has been working with Java/J2EE for over 10 years and with relational databases for over 15 years, mostly in the mobile telecom area. He is currently with ERDAS, working on an enterprise GIS (Geospatial Information System). He is author of the ObjectAid UML Designer ([http://www.objectaid.com]), a free easy-to-use Eclipse plug-in to create UML class diagrams from existing code.

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AJUG Meetup

Not all JARs are created equally

October 18th, 2016

Hate those e-mails “are you using some_vulnerable.JAR or some.vulnerable.class” on a project you or nobody has touched in years then your eyes dry over looking at the dependency hierarchy of an old project?

Well, hate no more! Understanding that not all JARs are created equally is the first step in realizing there is consternation. The only constant is change in Open Source and keeping up with versions, CVEs, industry trends, etc could be a burden especially as team members move on. So many dependencies in a modern JAVA project one would need a warehouse to store all these parts [*cough* your artifact repository].

Having supply chain discipline when consuming Open Source can help answer the “where” and “what” an enterprise has deployed. Applying supply chain principles and data beyond your CMDB would have insight to. Makes Dev & Ops happy driving Open Source adoption and visibility.

Also, will be providing an update from last year’s AJUG talk on State of Open Source Software Supply Chain.


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