JSP不同线程导致对象改变

<%
		final HttpServletRequest  f = request;
		System.out.println("sdaddsdasdsd");
		new Thread()
		{
			public void run()
			{
				RequestDispatcher rd;
				try
				{
					f.setCharacterEncoding("gb2312");
				}
				catch (Exception e)
				{
					e.printStackTrace();
				}
				String SiteName = f.getParameter("SiteName");
				String Name = f.getParameter("Name");
				String userAccount = f.getParameter("userAccount");
				String userPasswd = f.getParameter("userPasswd");
				String databaseAddress = f.getParameter("databaseAddress");
				String databaseName = f.getParameter("databaseName");
				String databaseAccount = f.getParameter("databaseAccount");
				String databasePasswd = f.getParameter("databasePasswd");
				
				
				System.out.println(SiteName);
				System.out.println(Name);
				System.out.println(userAccount);
				System.out.println(userPasswd);
				System.out.println(databaseAddress);
				System.out.println(databaseName);
				System.out.println(databaseAccount);
				System.out.println(databasePasswd);
						
				new org.Rudiment.Blog.Install(SiteName, userAccount, userPasswd, Name, databaseAddress, databaseName, databaseAccount, databasePasswd, f);
			}
		}.start();
		

%>

Sysyem.out.println() 全部都是null 

如果放在Thread外面就可以获得值，这个以后再研究。研究出来的共享一下。