Apache Struts 2 Documentation > Home > Guides > Core Developers Guide > Configuration Files > Reloading configuration

Struts allows for dynamic reloading of xml configuration file (ie, reloading actions.xml).

This allows you to reconfigure your action mapping during development. There may be a slight performance penalty, so this is not recommended for production use.

In order to enable this feature, add the following to your struts.properties file: