json/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.enable.DynamicMethodInvocation" value="false"/>
  <constant name="struts.devMode" value="true"/>

  <package name="default" namespace="/" extends="json-default">

    <default-action-ref name="index"/>

    <action name="index">
      <result>/WEB-INF/index.jsp</result>
    </action>

    <action name="produce" class="org.demo.ProduceAction">
      <result type="json">
        <param name="root">bean</param>
      </result>
    </action>

    <action name="consume" class="org.demo.ConsumeAction">
      <interceptor-ref name="basicStack"/>
      <interceptor-ref name="json">
        <param name="root">bean</param>
      </interceptor-ref>
      <result>/WEB-INF/result.jsp</result>
      <result name="JSON" type="json">
        <param name="root">bean</param>
      </result>
    </action>

  </package>

  <!-- Add addition packages and configuration here. -->
</struts>