Caused by: java.io.FileNotFoundException:... cannot be opened because it does not exist

初學Spring，配置了applicationContext.xml後，測試時出現了這樣的錯誤：

ApplicationContext ctx = new ClassPathXmlApplicationContext("applicationContext.xml");
		
		PersonBean bean = (PersonBean)ctx.getBean("userBean");
		
		bean.show();

Caused by: java.io.FileNotFoundException: class path resource [com/bless/common/spring/springApplicationContext.xml] cannot be opened because it does not exist

這應該是編譯路徑的問題；

使用new ClassPathXmlApplicationContext("applicationContext.xml"); 來讀取時，將applicationContext.xml放到/WEB-INF/classes目錄下；
或放到src目錄下，

// ClassPathXmlApplicationContext 是讀取 src 目錄下的配置文件
ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");

//  FileSystemXmlApplicationContext 即系統文件路徑，文件的目錄。
ApplicationContext context = new FileSystemXmlApplicationContext("WebRoot/WEB-INF/applicationContext.xml");