socket的ObjectInputStream的问题

weixin_44555034 2021-04-22 09:31:55

java.io.StreamCorruptedException: invalid stream header: ACED7372
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:936)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:394)
at Common.myruns.run(Server.java:59)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
java.io.StreamCorruptedException: invalid stream header: 00050009
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:936)
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:394)
at Common.myruns.run(Server.java:59)
at java.lang.Thread.run(Thread.java:748)

萌新求救
socket通信中new objectInputStream 抛了这个异常。。
求解惑。orz

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weixin_44555034 2021-04-25

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单纯就是线程池的问题，但是又想用线程池，不知道接下来该怎么做。

用JAVA语言实现网络聊天import java.io.*; import java.net.*; import java.util.*; public class ChatHandler implements Runnable { protected Socket socket; protected ObjectInputStream dataIn; protected ObjectOutputStream dataOut; protected Thread listener; protected static Vector handlers = new Vector(); private boolean keepListening = true; public ChatHandler(Socket socket) { this.socket = socket; } public synchronized void start() { if (listener == null) { try { dataIn = new ObjectInputStream(socket.getInputStream()); dataOut = new ObjectOutputStream(socket.getOutputStream()); listener = new Thread(this); listener.start(); } catch (IOException ioException) { ioException.printStackTrace(); } } } public synchronized void stop() { if (listener != null) { try { if (listener != Thread.currentThread()) listener.interrupt(); listener = null; dataOut.close(); socket.close(); } catch (IOException ignored) { } } } public void run() { String message = ""; try { handlers.addElement(this); while (keepListening) { message = (String) dataIn.readObject(); if (message.equals("DISCONNECT")) { dataOut.writeObject(message); dataOut.flush(); stopListening(); } else broadcast(message); } } catch (ClassNotFoundException classNotFoundException) { } catch (EOFException ignored) { } catch (IOException ex) { if (listener == Thread.currentThread()) ex.printStackTrace(); } finally { handlers.removeElement(this); } try { dataIn.close(); } catch (IOException ioException) { ioException.printStackTrace(); } stop(); } protected void broadcast(String message) { synchronized (handlers) { Enumeration enumer = handlers.elements(); while (enumer.hasMoreElements()) { ChatHandler handler = (ChatHandler) enumer.nextElement(); try { handler.dataOut.writeObject(message); handler.dataOut.flush(); } catch (IOException ex) { handler.stop(); } } } } public void stopListening() { keepListening = false; } }

socket编程，信息的互动性 java.io.EOFException at java.io.ObjectInputStream$BlockDataInputStream.peekByte(ObjectInputStream.java:2552) at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1297) at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351) at theqq.server$MyThread.run(server.java:157)

package server; import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.net.Socket; import java.util.Scanner; import login.Choice; import org.dom4j.DocumentException; public class ServerThread extends Thread{ private Socket socket=null; public ServerThread(Socket socket){ this.socket=socket; } public void run(){ // 1.获取输入流 try { InputStream is = socket.getInputStream(); ObjectInputStream ois =new ObjectInputStream(is); // 2.获取输出流 OutputStream os = socket.getOutputStream(); ObjectOutputStream oos =new ObjectOutputStream(os); Choice c=new Choice(); c.choice(ois, oos); // 关闭资源 oos.close(); os.close(); ois.close(); is.close(); socket.close(); } catch (IOException e) { e.printStackTrace(); } catch (DocumentException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }

即时通信，包括客户端和服务器端 /** * @(#)Client.java *客户/服务器通过流socket连接的交互 *客户端 * @author beebe * @version 1.00 2007/3/30 */ import java.io.ObjectOutputStream; import java.io.ObjectInputStream; import java.io.IOException; import java.io.EOFException; import java.net.ServerSocket; import java.net.Socket; import java.awt.BorderLayout; import java.awt.Container; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JFrame; import javax.swing.JTextField; import javax.swing.JTextArea; import javax.swing.JScrollPane; import javax.swing.JOptionPane;

使用流套接字建立客户机运用ObjectOutputStream,ObjectInputStream,ServerSocket,Socket;

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