org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@369f73a2: startup date [Thu Apr 26 18:53:49 MSK 2018]; root of context hierarchy
апр. 26, 2018 6:53:49 ПП org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [context.xml]
Exception in thread "main" java.lang.NullPointerException
    at ru.javabegin.training.spring.aop.SpelConfig.Collectionss.DoSomething(Collectionss.java:24)
    at ru.javabegin.training.spring.aop.main.Start.main(Start.java:16)

public class Start {

    public static void main(String[] args) {

        ApplicationContext context = new ClassPathXmlApplicationContext("context.xml");

        Collectionss collectionss=(Collectionss)context.getBean("collect");

        collectionss.DoSomething();

    }


}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       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.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">


    <context:component-scan base-package="ru.javabegin.training.*"/>
    <context:annotation-config/>


    <util:list id="testList1">
        <value>4</value>
        <value>5</value>

    </util:list>

    <util:list id="testList2">
        <value>6</value>
        <value>7</value>
    </util:list>


</beans>

package ru.javabegin.training.spring.aop.SpelConfig;

import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.util.List;

@Service("collect")
public class Collectionss {

    @Resource(name = "testList2")
    private List list;


    public List getList() {
        return list;
    }

    public void setList(List list) {
        this.list = list;
    }

    public void DoSomething(){

        for (Object obj:list
                ) {
            System.out.println("List: "+ obj );

        }

    }
}