多线程套接字服务器Java,连接重置SocketException
这是我的服务器类代码。 无效运行() 然后我的客户端类:多线程套接字服务器Java,连接重置SocketException,java,multithreading,sockets,serversocket,objectinputstream,Java,Multithreading,Sockets,Serversocket,Objectinputstream,这是我的服务器类代码。 无效运行() 然后我的客户端类: public void run() { try{ //1. creating a socket to connect to the server requestSocket = new Socket(InetAddress.getLocalHost(), 2004); message = new Message(); System.out.println("Conne
public void run()
{
try{
//1. creating a socket to connect to the server
requestSocket = new Socket(InetAddress.getLocalHost(), 2004);
message = new Message();
System.out.println("Connected to localhost in port 2004");
//2. get Input and Output streams
out = new ObjectOutputStream(requestSocket.getOutputStream());
out.flush();
in = new ObjectInputStream(requestSocket.getInputStream());
//3: Communicating with the server
do{
try{
message.status = "connected";
message.actionUser.setUserID(1);
message.actionUser.setPassword("bear");
sendMessage(message);
message = (Message)in.readObject();
Object output = message.getProtocol().processInput(message);
message.connect = false;
message.status = "Disconnected";
//sendMessage(message);
}
catch(Exception e){
System.err.println("data received in unknown format");
System.err.println(e.getMessage());
}
}while(message.connect);
}
catch(UnknownHostException unknownHost){
System.err.println("You are trying to connect to an unknown host!");
}
catch(IOException ioException){
ioException.printStackTrace();
}
finally{
//4: Closing connection
try{
if(requestSocket.isInputShutdown())
in.close();
if(requestSocket.isOutputShutdown())
out.close();
requestSocket.close();
}
catch(IOException ioException){
ioException.printStackTrace();
}
}
}
当我尝试多线程运行它们时,会出现这些错误。它一次只能工作一个线程,但在两个客户端线程运行时不能工作。
sendMessage只是writeObject(msg),其中msg是我试图发送的消息对象
来自客户端类的错误消息
Connected to localhost in port 2004
Connected to localhost in port 2004
client>connected
java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(Unknown Source)
at java.net.SocketInputStream.read(Unknown Source)
at java.io.ObjectInputStream$PeekInputStream.read(Unknown Source)
at java.io.ObjectInputStream$PeekInputStream.readFully(Unknown Source)
at java.io.ObjectInputStream$BlockDataInputStream.readShort(Unknown Source)
at java.io.ObjectInputStream.readStreamHeader(Unknown Source)
at java.io.ObjectInputStream.<init>(Unknown Source)
at auction.Requester.run(Requester.java:22)
at java.lang.Thread.run(Unknown Source)
已连接到端口2004中的本地主机
已在端口2004中连接到本地主机
客户端>已连接
java.net.SocketException:连接重置
位于java.net.SocketInputStream.read(未知源)
位于java.net.SocketInputStream.read(未知源)
位于java.io.ObjectInputStream$PeekInputStream.read(未知源)
在java.io.ObjectInputStream$PeekInputStream.readFully处(未知源)
位于java.io.ObjectInputStream$BlockDataInputStream.readShort(未知源)
位于java.io.ObjectInputStream.readStreamHeader(未知源)
位于java.io.ObjectInputStream。(未知源)
运行(Requester.java:22)
位于java.lang.Thread.run(未知源)
第一个线程在服务器上成功运行后,会出现以下情况:
从152.78.175.6收到的连接
客户端>已连接
有联系的
服务器>已连接
用户1已登录
正在等待连接
崩溃的行(22)为out=newObjectOutputStream(connection.getOutputStream())
非常感谢您的帮助您的服务器套接字不是多线程的。要处理多个客户端,您需要执行以下操作:
public class MultiThreadServer implements Runnable {
Socket csocket;
MultiThreadServer(Socket csocket) {
this.csocket = csocket;
}
public static void main(String args[])
throws Exception {
ServerSocket ssock = new ServerSocket(1234);
System.out.println("Listening");
while (true) {
Socket sock = ssock.accept();
System.out.println("Connected");
new Thread(new MultiThreadServer(sock)).start();
}
}
public void run() {
try {
PrintStream pstream = new PrintStream
(csocket.getOutputStream());
// handle all input output here.
pstream.close();
csocket.close();
}
catch (IOException e) {
System.out.println(e);
}
}
}
希望这有帮助。使您的服务器成为多线程,这样它就可以在不同的线程中处理每个客户端 试试这个:
Class ConnectionThread extends Thread {
Socket connection;
ObjectInputStream in;
OjectOutputStream out;
Message message;
Connection Thread(Socket connection) {
this.connection = connection;
}
void run() {
try {
System.out.println("Connection received from " + connection.getInetAddress().getHostName());
out = new ObjectOutputStream(connection.getOutputStream());
out.flush();
in = new ObjectInputStream(connection.getInputStream());
message = new Message();
do{
try{
message = (Message)in.readObject();
System.out.println("client>" + message.status);
System.out.println(message.status);
Protocol pro = new Protocol();
message.setProtocol(pro);
sendMessage(message);
message.connect = false;
} catch(ClassNotFoundException classnot){
System.err.println("Data received in unknown format");
}
} while(message.connect);
}
catch(IOException ioException){
ioException.printStackTrace();
}
finally{
try{
in.close();
out.close();
providerSocket.close();
} catch(IOException ioException){
ioException.printStackTrace();
}
}
}
void sendMessage(Message msg) {
try{
out.writeObject(msg);
out.flush();
System.out.println("server>" + msg.status);
} catch(IOException ioException){
ioException.printStackTrace();
}
}
Class ConnectionThread extends Thread {
Socket connection;
ObjectInputStream in;
OjectOutputStream out;
Message message;
Connection Thread(Socket connection) {
this.connection = connection;
}
void run() {
try {
System.out.println("Connection received from " + connection.getInetAddress().getHostName());
out = new ObjectOutputStream(connection.getOutputStream());
out.flush();
in = new ObjectInputStream(connection.getInputStream());
message = new Message();
do{
try{
message = (Message)in.readObject();
System.out.println("client>" + message.status);
System.out.println(message.status);
Protocol pro = new Protocol();
message.setProtocol(pro);
sendMessage(message);
message.connect = false;
} catch(ClassNotFoundException classnot){
System.err.println("Data received in unknown format");
}
} while(message.connect);
}
catch(IOException ioException){
ioException.printStackTrace();
}
finally{
try{
in.close();
out.close();
providerSocket.close();
} catch(IOException ioException){
ioException.printStackTrace();
}
}
}
void sendMessage(Message msg) {
try{
out.writeObject(msg);
out.flush();
System.out.println("server>" + msg.status);
} catch(IOException ioException){
ioException.printStackTrace();
}
}