Connection reset 错误，我的网络编程~~

Question

先看下原代码：
客户端:
public class Client
{
    public static void main(String[] args)
    {
Socket so=null;
BufferedReader in=null;
PrintWriter out=null;
   try{
   
so=new Socket(InetAddress.getLocalHost().getHostAddress(),8811);
in=new BufferedReader(new InputStreamReader(so.getInputStream()));
out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(so.getOutputStream())));

System.out.println (in.readLine());
}
catch(Exception e)
{
e.printStackTrace();
}
    }
}
服务器端:
public class Server
{public static void main(String[] args)
    {
     ServerSocket ss=null;
Socket so=null;
BufferedReader in=null;
PrintWriter out=null;
     try{
ss=new ServerSocket(8811);
so=ss.accept();
in=new BufferedReader(new InputStreamReader(so.getInputStream()));
out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(so.getOutputStream())));
out.println("连接成功");
System.out.println ("bb"); }
catch(Exception e1)
{
System.out.println ("Server"+e1.toString());
}    }
}正确的是客户端打印"连接成功"
可是却抛异常了 
请问什么地方不对

Answer 1

用Socket时，Server和Client有任意一方关闭连接(退出也算)另一方都会有异常抛出

Answer 2

...   ...
out=new PrintWriter(new BufferedWriter(new OutputStreamWriter(so.getOutputStream())));
out.println("连接成功");
out.flush();   // 添加 
...  ...