大家帮帮忙看看，为什么读取的文件路径是错误的？
小弟写的关于java读取配置文件的方法，一种是采用类装载器，一种是下面的方法，但是类装载器，读取的文件内容没有问题，不知道为什么下面的这中方式读取的问价路径不正确，希望大侠帮忙看看！

public void delete(){

		try {

	String path = UserDao.class.getClassLoader().getResource("db.properties").getPath();  

	System.out.println("文件的路径为："+path);

	 FileInputStream in = new FileInputStream(path);  

	Properties prop=new Properties();

	

		prop.load(in);

	

	    

	    String url=prop.getProperty("url");

	    String username=prop.getProperty("username");

	    String passwd=prop.getProperty("passwd");

	    System.out.println("------这是通过传统方式获取的配置文件----------");

	    System.out.println("url==："+url+"  用户名="+username+"   密码="+passwd);

		} catch (Exception e) {

			e.printStackTrace();

		}

	    

	}

这是异常代码：

文件的路径为：/D:/Program%20Files/Apache%20Software%20Foundation/Tomcat%205.5/webapps/Servlet/WEB-INF/classes/db.properties

java.io.FileNotFoundException: D:\Program%20Files\Apache%20Software%20Foundation\Tomcat%205.5\webapps\Servlet\WEB-INF\classes\db.properties (系统找不到指定的路径。)

	at java.io.FileInputStream.open(Native Method)

	at java.io.FileInputStream.<init>(FileInputStream.java:138)

	at java.io.FileInputStream.<init>(FileInputStream.java:97)

	at com.java.test.UserDao.delete(UserDao.java:40)

	at com.servlet.test.ServletContextCommuncation.doGet(ServletContextCommuncation.java:53)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:627)

	at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)

	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)

	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)

	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)

	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)

	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)

	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)

	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)

	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)

	at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)

	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)

	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)

	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)

	at java.lang.Thread.run(Thread.java:722)

Tomcat6起步不了，哪位大哥帮帮忙