急啊！！socket 的问题
那位高手可以帮我看一下我的code什么问题，为什么在count==2的时候客户端就会死机？谢谢
package slics;
/**
* Title:
* Description:
* Copyright: Copyright (c) 2007
* Company:
* @author
* @version 1.0
*/
import java.net.*;
import java.io.*;
import java.math.*;
public class Calcuserver {
public static void main(String args[]){
int count;
// Set up name database, normally this would be done in a much
// more sophisticated way using a relational database
System.out.println( "Starting the Slics server... ");
try
{ System.out.println( "creating server socket ");
ServerSocket ss = new ServerSocket(1024);
System.out.println( "finish creating ");
count=1;
// Set up the streams which the clients will access
while(true)
{
System.out.println( "1 ");
Socket sock =ss.accept();
System.out.println( "2 ");
InputStream is = sock.getInputStream();
System.out.println( "3 ");
BufferedReader bf = new BufferedReader(new InputStreamReader(is));
System.out.println( "4 ");
OutputStream os = sock.getOutputStream();
System.out.println( "5 ");
PrintWriter pw = new PrintWriter(os, true);
String a= " ";
String b= " ";
String c= " ";
String value= " ";
double A=0;
double M=0;
double L=0;
double I=0;
double i=0;
double round=0;
System.out.println( "Start reading ");
//Read value request
if(count==1){
System.out.println( "reading a ");
a = bf.readLine();
//if(!a.equals( "0 "))
L=Double.parseDouble(a);
}
System.out.println( "finish a start read b ");
if(count==2){
System.out.println( "reading b ");
b= bf.readLine();
//if(!b.equals( "0 "))
I=Double.parseDouble(b)/100;
i=I/12;
}
System.out.println( "finish b start read c ");
if(count==3){
System.out.println( "reading c ");
c = bf.readLine();
//if(!c.equals( "0 "))
M=Double.parseDouble(c);
A=L*i/(1-java.lang.Math.pow((1+i),-M));
//round A to 2 decimal places
round=0.01 * (int) (A *100 + 0.5);
}
if(a.equals( "0 ")){
System.out.println( "Clientsstop1 ");
ss.accept();
}
//
System.out.println( "caluating value ");
value= "$ "+String.valueOf(round);
System.out.println(value);
//if(value == null)
// Invalid name provided
//value = "value must not be null ";
//send back host name or error message to client
if(count==3){
pw.println(value);
count=0;
}else{pw.println( " ");}
System.out.println( "Serviced connection "+count);
count++;
//ss.accept();
}
}catch
(Exception e){System.out.println( "Problem setting up connection "+e);}
System.out.println( "Server closed down ");
}
}
[解决办法]
奇怪，你的程序在我这里并没有死机现象，能不能把你的客户端程序也贴出来？
[解决办法]
服务器端又不是多线程，运行一遍后就over了，客户端可不死机了
[解决办法]
帮顶～闪人～
[解决办法]
/**
@author Cay Horstmann
@version 1.20 2004-08-03
*/
import java.io.*;
import java.net.*;
import java.util.*;
/**
This program implements a multithreaded server that listens to port 8189 and echoes back
all client input.
*/
public class ThreadedEchoServer
{
public static void main(String[] args )
{
try
{
int i = 1;
ServerSocket s = new ServerSocket(8189);
while (true)
{
Socket incoming = s.accept();
System.out.println( "Spawning " + i);
Runnable r = new ThreadedEchoHandler(incoming, i);
Thread t = new Thread(r);
t.start();
i++;
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
/**
This class handles the client input for one server socket connection.
*/
class ThreadedEchoHandler implements Runnable
{
/**
Constructs a handler.
@param i the incoming socket
@param c the counter for the handlers (used in prompts)
*/
public ThreadedEchoHandler(Socket i, int c)
{
incoming = i; counter = c;
}
public void run()
{
try
{
try
{
InputStream inStream = incoming.getInputStream();
OutputStream outStream = incoming.getOutputStream();
Scanner in = new Scanner(inStream);
PrintWriter out = new PrintWriter(outStream, true /* autoFlush */);
out.println( "Hello! Enter BYE to exit. " );
// echo client input
boolean done = false;
while (!done && in.hasNextLine())
{
String line = in.nextLine();
out.println( "Echo: " + line);
if (line.trim().equals( "BYE "))
done = true;
}
}
finally
{
incoming.close();
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
private Socket incoming;
private int counter;
}
------解决方案--------------------
我没有运行，因为我的机没有装com.borland包，我想是因为
服务端用readLien()方法，这个方法是接收以 "\n "为尾的数据，
而客户端只是用getText()方法，没有发送 "\n "字符，所以会死机，
你试试，不知正不正确
[解决办法]
帮忙顶
[解决办法]
学习一下
[解决办法]
同意yqh2009()，建议楼主试试
