public class DaoFactory {
 private static UserDao userDao=null;
private static DaoFactory instance =new DaoFactory();
  
  public  DaoFactory(){
 
   try {
   Properties prop=new Properties();
   
InputStream in=new  FileInputStream(new File("src/daocongfig.properties"))  ;
 
        prop.load(in);
        String userDaoClass =prop.getProperty("userDaoClass");
        
Class clazz= Class.forName(userDaoClass);
userDao=(UserDao)clazz.newInstance();
System.out.println(userDao);
 

   
   } catch ( Throwable e) {
// TODO Auto-generated catch block
e.printStackTrace();
throw new ExceptionInInitializerError();
}  
   
   };
   public static DaoFactory getInstance(){
return instance;
   }
   public UserDao getUserDao(){
return userDao;
   
   }
}在src文件夹下面却是存在这样的一个properties文件 是 系统提示找不到指定的文件 是什么意思  那位大侠遇到过这种情况
怎么解决的  关键是我前几天运行的时候还能通过 纠结啊