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Learning Karaf Cellar

You're reading from Learning Karaf Cellar Build and implement a complete clustering solution for the Apache Karaf OSGi container

Product type Paperback

Published in Jul 2014

Publisher

ISBN-13 9781783984602

Length 124 pages

Edition 1st Edition

Concepts

Application Development

Authors (2):

Jean Baptiste Onofre

Jean-Baptiste Onofré

View More author details

Table of Contents (11) Chapters

Preface

1. Apache Karaf – Provisioning and Clusters FREE CHAPTER

2. Apache Karaf Cellar

3. Hazelcast

4. Cluster Groups

5. Producers, Consumers, Handlers, Listeners, and Synchronizers

6. The Filtering of Cluster Events

7. DOSGi

8. Cellar and Camel

9. Roadmap

Index

Chapter 1. Apache Karaf – Provisioning and Clusters

Open Software Gateway initiative (OSGi) has been "hidden" for a long time and reserved to middleware such as IDE or application servers. However, OSGi can be applied in a lot of different contexts and applications. An OSGi application needs an environment to run. Apache Karaf is a lightweight, powerful, and enterprise-ready OSGi container where you can deploy your applications. On a production system, especially a mission-critical platform, it makes sense to be able to manage a set of Apache Karaf containers and to spread the deployment (or provisioning) of applications to these different instances.

In this chapter, we will cover the following topics:

What is OSGi and what are its key features?
The role of the OSGi framework
The OSGi base artifact—the OSGi bundle and the concept of dependencies between bundles
The Apache Karaf OSGi container and the provisioning of applications in the container
How to manage the provisioning on multiple Karaf instances?

You have been reading a chapter from

Learning Karaf Cellar

Published in: Jul 2014

Publisher:

ISBN-13: 9781783984602

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Authors (1)

Jean-Baptiste Onofré

Jean-Baptiste Onofré

Jean-Baptiste Onofré is a member of the Apache Software Foundation, and he has been involved in Apache projects for about 10 years. He's the PMC chair of Apache Karaf and its subprojects, including Cellar, Cave, and EIK. He's also a PMC member of Apache ACE, Apache ServiceMix, and Apache Syncope, and he is a committer for Apache ActiveMQ, Apache Archiva, Apache Aries, Apache Camel, and Apache jClouds. He's currently working at Talend (http://www.talend.com) as a software architect and is a member of the Talend Apache team. He has provided articles on Java technologies for GNU/Linux magazine France and has worked as an author and a reviewer on different books, such as Learning Karaf Cellar and Apache Karaf Cookbook, both by Packt Publishing. He has also given talks on Apache projects, such as Karaf and Camel, at different conferences, especially ApacheCon NA and Europe, CamelOne, and so on.

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