jasperreports/src/main/resources/struts.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.5//EN" "https://struts.apache.org/dtds/struts-2.5.dtd">

<struts>
  <constant name="struts.devMode" value="true" />
  <package name="default" extends="jasperreports-default">
    <default-action-ref name="index" />

    <action name="index">
      <result>/index.jsp</result>
    </action>

    <action name="myJasperTest" class="org.apache.struts.example.jasperreports.action.JasperAction">
      <result name="success" type="jasper">
        <param name="location">/WEB-INF/jasper/our_compiled_template.jasper</param>
        <param name="dataSource">myList</param>
        <param name="format">PDF</param>
      </result>
    </action>
  </package>
</struts>