Setting up Apache Karaf for high availability
To help provide higher service availability, Karaf provides the option to set up a secondary instance of Apache Karaf to failover upon in case of an operating environment error. In this recipe, we'll configure a Master/Slave failover deployment and briefly discuss how you can expand the recipe to multiple hosts.
Getting ready
The ingredients of this recipe include the Apache Karaf distribution kit, access to JDK, and a source code editor. The sample configuration for this recipe is available at https://github.com/jgoodyear/ApacheKarafCookbook/tree/master/chapter1/chapter1-recipe8.
How to do it…
- The first step is editing the system properties file. To enable a Master/Slave failover, we edit the
etc/system.properties ...
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