Page History

...

Support for Velocity has been moved into a dedicated plugin, also Velocity based tags were moved into the new plugin, see

DTD

Please use a proper DTD header as below

<!DOCTYPE struts PUBLIC
        "-//Apache Software Foundation//DTD Struts Configuration 6.0//EN"
        "https://struts.apache.org/dtds/struts-6.0.dtd">

Class changes

com.opensymphony.xwork2.config.providers.XmlConfigurationProvider became abstract, please use org.apache.struts2.config.StrutsXmlConfigurationProvider instead.

...