Using Properties file variables in JSP files and Controllers in Spring 3.2

app.properties

app.var1=Hello
app.var2=World

Controller.java

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class DefaultController {
    
    @Value("${app.var2}")
    private String var2;
        
    @RequestMapping(value="/")
    public String home(ModelMap map){
        System.out.println(otherVar);
        map.addAttribute("var2", var2);
        
        return "view";
    }
    
}

dispatcher-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--Changed from defult-->
<beans xmlns="http://www.springframework.org/schema/beans"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context-3.2.xsd
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
        http://www.springframework.org/schema/util
        http://www.springframework.org/schema/util/spring-util-3.2.xsd">
 
    <context:component-scan base-package="com.myapp" />
    
    <mvc:annotation-driven />
    
    <mvc:resources  mapping="/static/**" location="/static/" /> 
    
    <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
        <property name="prefix" value="/WEB-INF/jsp/" />
        <property name="suffix" value=".jsp" />
    </bean>
    
    <!--Here is the special sauce-->
    <util:properties id="viewPropertyConfigurer" location="classpath:app.properties"/> 
    <context:property-placeholder properties-ref="viewPropertyConfigurer" />

</beans>

view.jsp

<%@ taglib prefix="spring" uri="http://www.springframework.org/tags" %>

<h2><spring:eval expression="@viewPropertyConfigurer.getProperty('app.var1')" />&nbsp;${var2}!</h2>

thank you!