Chapter 11. Migration and integration

This chapter covers

  • How to access non-OSGi code from within an OSGi framework
  • How to migrate Java EE web applications into OSGi
  • How Apache Aries can be used to run EJB modules

In this book, we’ve been looking at how to write OSGi applications from scratch. This is fun, and also useful to know how to do, but it isn’t usually the case that you can begin a brand new project with no existing code. Normally, you’ll have application code to bring with you, either code that needs to be migrated into OSGi as part of your project, or external services that you need to be able to use from within the OSGi framework. Having to bring these sorts of things with you often results in a sinking feeling, particularly ...

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