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# Plugin Developers Guide

Apache Struts 2 provides a simple plugin architecture so that developers can extend the framework just by adding a JAR to the application’s classpath. Since plugins are contained in a JAR, they are easy to share with others. Several plugins are bundled with the framework, and others are available from third-party sources.

- Plugins
- Extending an Application with Custom Plugins

## Bundled Plugins

Bean Validation Plugin (2.5+) CDI (JSR 299) Plugin (2.3.1+) Codebehind Plugin (< 2.5) Config Browser Plugin Convention Plugin (2.1.3+) DWR Plugin Embedded JSP Plugin (2.1.7+) JasperReports Plugin Java 8 Support Plugin (2.3.21 - 2.5.2) Javatemplates Plugin (2.1.3+) JFreeChart Plugin JSF Plugin( < 2.5) JSON Plugin (2.1.7+) JUnit Plugin | OVal Plugin (2.1.7+) OSGi Plugin (2.1.7+) Plexus Plugin Portlet Plugin Portlet Tiles Plugin (2.3.5+) REST Plugin (2.1.1+) Deprecated: SiteGraph Plugin SiteMesh Plugin Spring Plugin Struts 1 Plugin( < 2.5) TestNG Plugin Tiles Plugin Tiles 3 Plugin (< 2.5)

> For a complete list of bundled and third-party plugins, visit the Plugin Registry.