Creating a plugin
Native plugins allow several aspects of the Elasticsearch server to be extended, but they require a good knowledge of Java.
In this recipe we will see how to set up a working environment to develop native plugins.
Getting ready
You need an up-and-running Elasticsearch installation as we described in the Downloading and installing Elasticsearch recipe in Chapter 2, Downloading and Setup.
A Maven tool, or an IDE that supports Java programming, such as Eclipse or IntelliJ IDEA, is required.
The code to this recipe is available in the chapter17/simple_plugin directory.
How to do it...
Generally, Elasticsearch plugins are developed in Java using the Maven build tool and deployed as a ZIP file.
To create a simple JAR plugin, we will perform ...
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