调用ClassPathResource.getInputStream（）时出错

Question

i want so study Spring,i start from hello World

I learned to make a hello world from this address " http://javacpplus.blogspot.com/2012/04/spring-framework-with-netbeans-70.html[url=http://http://javacpplus.blogspot.com/2012/04/spring-framework-with-netbeans-70.html]webpage[/url] "

And this is my code, i make two class. 1 HelloWorld.java And 2 MainApp.java and i Make one xml that is Beans.xml

check this is out class HelloWorld.java

package com.hello;

/**  *  * @author bobfuad  */ public class HelloWorld {
    private String message;

   public void setMessage(String message){
      this.message  = message;    }

   public void getMessage(){
      System.out.println("Your Message : " + message);    } }

class MainApp.java

package com.hello;

mport org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
 *
 * @author bobfuad
 */
public class MainApp {
    private static Resource ClassPathApplicationContext;
    public static void main(String[] args) {
      ApplicationContext context;
        context = new ClassPathXmlApplicationContext("Beans.xml");

      HelloWorld obj = (HelloWorld) context.getBean("helloWorld");

      obj.getMessage();
   }
}

Beans.xml

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

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
">
<bean id="helloWorld" class="com.hello.HelloWorld">
       <property name="message" value="Hello World!"/>
   </bean>
</beans>

that it's my code, but when i run this program, there is have problem

and this is problem

Jun 27, 2014 8:48:44 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh
INFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@e3849c: startup date [Fri Jun 27 08:48:44 PDT 2014]; root of context hierarchy
Jun 27, 2014 8:48:44 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions
INFO: Loading XML bean definitions from class path resource [Beans.xml]
Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [Beans.xml]; nested exception is java.io.FileNotFoundException: class path resource [Beans.xml] cannot be opened because it does not exist
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:341)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
    at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:243)
    at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:127)
    at org.springframework.context.support.AbstractXmlApplicationContext.loadBeanDefinitions(AbstractXmlApplicationContext.java:93)
    at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
    at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:537)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
    at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:83)
    at com.hello.MainApp.main(MainApp.java:18)
Caused by: java.io.FileNotFoundException: class path resource [Beans.xml] cannot be opened because it does not exist
    at org.springframework.core.io.ClassPathResource.getInputStream(ClassPathResource.java:157)
    at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:328)
    ... 13 more
Java Result: 1
BUILD SUCCESSFUL (total time: 0 seconds)

please help me, thanks

Answer 1

Like the error message says, Beans.xml is not found in your classpath (in the given path, ie root). If you have placed the file next to the Java classes in com/hello , then use the path com/hello/Beans.xml in your main method.