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File

Optional

Location (relative to webapp)

Purpose

web.xml

no

/WEB-INF/

Web deployment descriptor to include all necessary framework components

struts.xml

no

/WEB-INF/classes/

Main configuration, contains result/view types, action mappings, interceptors, and so forth

struts.properties

yes

/WEB-INF/classes/

Framework properties

struts-default.xml

yes

/WEB-INF/lib/strutsstruts2-action-xcore.x.jar

Default configuration that should be included in struts.xml

velocitystruts-default.propertiesvm

yes

/WEB-INF/classes/

Default macros referenced by velocity.properties

struts-plugin.xml

yes

At the root of a plugin JAR

Optional configuration files for Plugins in the same format as struts.xml.

velocity.properties

Override the default Velocity configuration

struts-default.vm

yes

/WEB-INF/classes/

Default macros referenced by velocity.properties Override the default Velocity configuration

Static Content

Common static content that is needed by the framework (JavaScript and CSS files, etc.) is served automatically by the FilterDispatcher filter. Any request starting with "/struts/" denotes that static content is required, and then mapping the value after "/struts/" to common packages in Struts 2 the framework and, optionally in the application's class path.

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Additional packages can be specified by providing a comma separated list to the configuration parameter named "packages" (configured in web.xml for the FilterDispatcher filter). When specifying additional static content, you should be careful not to expose sensitive configuration information (i.e. database passwordsuch as the password to a database).

Next: Struts Configuration Elements