压缩流问题
在Applet中通过流获取后台的对象时出错,请问可能是哪里出错了  
java.io.IOException:   Not   in   GZIP   format 
 	at   java.util.zip.GZIPInputStream.readHeader(Unknown   Source) 
 	at   java.util.zip.GZIPInputStream. <init> (Unknown   Source) 
 	at   java.util.zip.GZIPInputStream. <init> (Unknown   Source) 
 代码如下: 
 URLConnection   uc   =   new   URLConnection( "http://test/test.do "); 
             GZIPInputStream   gIn   =   new   GZIPInputStream(uc.getInputStream()); 
             ObjectInputStream   in   =   new   ObjectInputStream(gIn); 
             Object   o   =   in.readObject(); 
             gIn.close(); 
             in.close(); 
------解决方案--------------------因为uc返回来的流根本不是GZIP的输入流,所以你不应该使用GZIP来封装它,直接ObjectInputStream就可以了
------解决方案--------------------很明显,压缩文件的格式不对,GZIPInputStream解不了
------解决方案--------------------应该是可以的,可能是你服务器test.do写得不正确     
 t.jsp: 
  <%@ page contentType= "text/html; charset=GBK "%>  <% 
 java.util.zip.GZIPOutputStream gOut = new java.util.zip.GZIPOutputStream(response.getOutputStream()); 
 java.io.ObjectOutputStream output = new java.io.ObjectOutputStream(gOut); 
 output.writeObject( "Object "); 
 output.flush(); 
 output.close(); 
 %>    
 Client: 
 ObjectInputStream ois = new ObjectInputStream(new GZIPInputStream(new URL( "http://localhost:8080/t.jsp ").openStream())); 
 System.out.println(ois.readObject());     
 可以正确返回