我是做的一个模拟多个客户端对应一个server,一个客户端发了消息可以通过server转发从而其他客户端也能收到,但是不知道为什么老报这个错:
java.io.StreamCorruptedException: invalid type code: AC具体代码:ServerConnect.java
package com.qq.server;import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;import com.qq.bean.StringMessage;
import com.qq.util.ConnectUtil;
import com.qq.util.DateFormatFactory;public class ServerConnect { private ServerSocket ss; private ObjectInputStream ois ; private ObjectOutputStream oos ;
//记录所有的连接,关闭的即移除
private List<Socket> list = new ArrayList<Socket>();
//private Scanner sc = new Scanner(System.in);
public ServerConnect() {
try {
ss = new ServerSocket(9999);
ServerThread st = new ServerThread();
st.start(); } catch (IOException e) {
e.printStackTrace();
}
} class ServerThread extends Thread { public void run() { while (true) { try {
Socket s = ss.accept();
list.add(s);
System.out.println(list.size());
ServerThread1 st1 = new ServerThread1(s);
st1.start();
} catch (IOException e) { e.printStackTrace();
}
} } } class ServerThread1 extends Thread {
Socket s;
boolean flag = true; public ServerThread1(Socket s) {
this.s = s;
} public void run() {
try {
ois = new ObjectInputStream(s.getInputStream());
oos = new ObjectOutputStream(s.getOutputStream());
while(flag){
Object o = ois.readObject();
oos.writeObject(o);
Iterator it = list.iterator();
while(it.hasNext()){
Socket sket = (Socket)it.next();
oos = new ObjectOutputStream(sket.getOutputStream());
System.out.println(o);
oos.writeObject(o);
oos.flush();
}
}
ois.close();
} catch (IOException e) { e.printStackTrace();
} catch (ClassNotFoundException e) { e.printStackTrace();
}
try {
s.close();
} catch (IOException e) { e.printStackTrace();
}
}
}
public static void main(String[] args) { ServerConnect sc = new ServerConnect();
}}
--------------------------------------------------------------------------------------------------------------
ClinetConnect.java:
package com.qq.client;import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Date;
import java.util.Scanner;import com.qq.bean.Message;
import com.qq.bean.StringMessage;
import com.qq.client.gui.Client;
import com.qq.util.ConnectUtil;
import com.qq.util.DateFormatFactory;public class ClientConnect { private Socket s ;
private ObjectInputStream ois ;
private ObjectOutputStream oos ;
private Scanner sc = new Scanner(System.in);
public ClientConnect() {
try {
s = new Socket("127.0.0.1",9999);
ClientThread ct = new ClientThread();
ct.start();
ois = new ObjectInputStream(s.getInputStream());
while(true){
Object o = ois.readObject();
System.out.println(o);
}
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
class ClientThread extends Thread{
public void run(){
try {
oos = new ObjectOutputStream(s.getOutputStream());
while(true){
String str = sc.nextLine();
oos.writeObject(str);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) { ClientConnect clc = new ClientConnect();
}}
请各位大侠指教啊为什么客户端读不到传过来的对象啊!!!
java.io.StreamCorruptedException: invalid type code: AC具体代码:ServerConnect.java
package com.qq.server;import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;import com.qq.bean.StringMessage;
import com.qq.util.ConnectUtil;
import com.qq.util.DateFormatFactory;public class ServerConnect { private ServerSocket ss; private ObjectInputStream ois ; private ObjectOutputStream oos ;
//记录所有的连接,关闭的即移除
private List<Socket> list = new ArrayList<Socket>();
//private Scanner sc = new Scanner(System.in);
public ServerConnect() {
try {
ss = new ServerSocket(9999);
ServerThread st = new ServerThread();
st.start(); } catch (IOException e) {
e.printStackTrace();
}
} class ServerThread extends Thread { public void run() { while (true) { try {
Socket s = ss.accept();
list.add(s);
System.out.println(list.size());
ServerThread1 st1 = new ServerThread1(s);
st1.start();
} catch (IOException e) { e.printStackTrace();
}
} } } class ServerThread1 extends Thread {
Socket s;
boolean flag = true; public ServerThread1(Socket s) {
this.s = s;
} public void run() {
try {
ois = new ObjectInputStream(s.getInputStream());
oos = new ObjectOutputStream(s.getOutputStream());
while(flag){
Object o = ois.readObject();
oos.writeObject(o);
Iterator it = list.iterator();
while(it.hasNext()){
Socket sket = (Socket)it.next();
oos = new ObjectOutputStream(sket.getOutputStream());
System.out.println(o);
oos.writeObject(o);
oos.flush();
}
}
ois.close();
} catch (IOException e) { e.printStackTrace();
} catch (ClassNotFoundException e) { e.printStackTrace();
}
try {
s.close();
} catch (IOException e) { e.printStackTrace();
}
}
}
public static void main(String[] args) { ServerConnect sc = new ServerConnect();
}}
--------------------------------------------------------------------------------------------------------------
ClinetConnect.java:
package com.qq.client;import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.util.Date;
import java.util.Scanner;import com.qq.bean.Message;
import com.qq.bean.StringMessage;
import com.qq.client.gui.Client;
import com.qq.util.ConnectUtil;
import com.qq.util.DateFormatFactory;public class ClientConnect { private Socket s ;
private ObjectInputStream ois ;
private ObjectOutputStream oos ;
private Scanner sc = new Scanner(System.in);
public ClientConnect() {
try {
s = new Socket("127.0.0.1",9999);
ClientThread ct = new ClientThread();
ct.start();
ois = new ObjectInputStream(s.getInputStream());
while(true){
Object o = ois.readObject();
System.out.println(o);
}
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
class ClientThread extends Thread{
public void run(){
try {
oos = new ObjectOutputStream(s.getOutputStream());
while(true){
String str = sc.nextLine();
oos.writeObject(str);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
public static void main(String[] args) { ClientConnect clc = new ClientConnect();
}}
请各位大侠指教啊为什么客户端读不到传过来的对象啊!!!
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import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;public class ChatClient extends Frame {
Socket s = null;
DataOutputStream dos = null;
DataInputStream dis = null;
private boolean bConnected = false; TextField tfTxt = new TextField(); TextArea taContent = new TextArea();
Thread tRecv = new Thread(new RecvThread()); public static void main(String[] args) {
new ChatClient().launchFrame();
} public void launchFrame() {
setLocation(400, 300);
this.setSize(300, 300);
add(tfTxt, BorderLayout.SOUTH);
add(taContent, BorderLayout.NORTH);
pack();
this.addWindowListener(new WindowAdapter() { @Override
public void windowClosing(WindowEvent arg0) {
disconnect();
System.exit(0);
}
});
tfTxt.addActionListener(new TFListener());
setVisible(true);
connect();
tRecv.start();
}
public void connect() {
try {
s = new Socket("127.0.0.1", 8888);
dos = new DataOutputStream(s.getOutputStream());
dis = new DataInputStream(s.getInputStream());
System.out.println("connected!");
bConnected = true;
} catch (UnknownHostException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
public void disconnect() {
try {
dos.close();
dis.close();
s.close();
} catch (IOException e) {
e.printStackTrace();
}
/*
try {
bConnected = false;
tRecv.join();
} catch(InterruptedException e) {
e.printStackTrace();
} finally {
try {
dos.close();
dis.close();
s.close();
} catch (IOException e) {
e.printStackTrace();
}
}
*/
}
private class TFListener implements ActionListener { public void actionPerformed(ActionEvent e) {
String str = tfTxt.getText().trim();
//taContent.setText(str);
tfTxt.setText("");
try {
//System.out.println(s);
dos.writeUTF(str);
dos.flush();
//dos.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
private class RecvThread implements Runnable { public void run() {
try {
while(bConnected) {
String str = dis.readUTF();
//System.out.println(str);
taContent.setText(taContent.getText() + str + '\n');
}
} catch (SocketException e) {
System.out.println("退出了,bye!");
} catch (EOFException e) {
System.out.println("推出了,bye - bye!");
} catch (IOException e) {
e.printStackTrace();
}
}
}
}import java.io.*;
import java.net.*;
import java.util.*;public class ChatServer {
boolean started = false;
ServerSocket ss = null;
List<Client> clients = new ArrayList<Client>();
public static void main(String[] args) {
new ChatServer().start();
}
public void start() {
try {
ss = new ServerSocket(8888);
started = true;
} catch (BindException e) {
System.out.println("端口使用中....");
System.out.println("请关掉相关程序并重新运行服务器!");
System.exit(0);
} catch (IOException e) {
e.printStackTrace();
}
try {
while(started) {
Socket s = ss.accept();
Client c = new Client(s);
System.out.println("a client connected!");
new Thread(c).start();
clients.add(c);
//dis.close();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
ss.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
class Client implements Runnable {
private Socket s;
private DataInputStream dis = null;
private DataOutputStream dos = null;
private boolean bConnected = false;
public Client(Socket s) {
this.s = s;
try {
dis = new DataInputStream(s.getInputStream());
dos = new DataOutputStream(s.getOutputStream());
bConnected = true;
} catch (IOException e) {
e.printStackTrace();
}
}
public void send(String str) {
try {
dos.writeUTF(str);
} catch (IOException e) {
clients.remove(this);
System.out.println("对方退出了!我从List里面去掉了!");
//e.printStackTrace();
}
}
public void run() {
try {
while(bConnected) {
String str = dis.readUTF();
System.out.println(str);
for(int i=0; i<clients.size(); i++) {
Client c = clients.get(i);
c.send(str);
//System.out.println(" a string send !");
}
/*
for(Iterator<Client> it = clients.iterator(); it.hasNext(); ) {
Client c = it.next();
c.send(str);
}
*/
/*
Iterator<Client> it = clients.iterator();
while(it.hasNext()) {
Client c = it.next();
c.send(str);
}
*/
}
} catch (EOFException e) {
System.out.println("Client closed!");
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if(dis != null) dis.close();
if(dos != null) dos.close();
if(s != null) {
s.close();
//s = null;
}
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
}
}
while (flag) {
Object o = ois.readObject();
oos.writeObject(o);
Iterator it = list.iterator();
while (it.hasNext()) {
System.out.println("abc");
Socket sket = (Socket) it.next();
System.out.println(sket.toString()+"22222222222");
oos = new ObjectOutputStream(sket.getOutputStream());
System.out.println(o);
oos.writeObject(o);
oos.flush();
}
}
首先用这个socket将获取流将这个对象写出去之后,又一次取出这个连接,再次写出,这样,两次是同一个socket,当同一个socket用两次的时候,就会产生这个问题。当调用getInputStream的时候,会读取标示头信息,而一个ObjectOutputStream和一个getInputStream是一一对应的关系。你那样,会产生多个标示头,因此有这个异常:StreamCorruptedException(当从对象流中读取的控制信息违反了内部一致性检查时抛出)。