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Thread: Connection refused connect

  1. #1
    Junior Member
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    Default Connection refused connect

    i was just trying a socket programming example; im new to networking and im getting a connection refused error; i have disabled the firewall; im getting output if im running client and server programs on the same machine but if im trying on different machine , i got errors. can anybody help me??? here iam attaching the code


    GreetingClient.java

    import java.net.*;
    import java.io.*;

    public class GreetingClient
    {
    public static void main(String [] args)
    {
    String serverName = args[0];
    int port = Integer.parseInt(args[1]);
    try
    {
    System.out.println("Connecting to " + serverName
    + " on port " + port);
    Socket client = new Socket(serverName, port);
    System.out.println("Just connected to "
    + client.getRemoteSocketAddress());
    OutputStream outToServer = client.getOutputStream();
    DataOutputStream out =
    new DataOutputStream(outToServer);

    out.writeUTF("Hello from "
    + client.getLocalSocketAddress());
    InputStream inFromServer = client.getInputStream();
    DataInputStream in =
    new DataInputStream(inFromServer);
    System.out.println("Server says " + in.readUTF());
    client.close();
    }catch(IOException e)
    {
    e.printStackTrace();
    }
    }
    }






    GreetingServer.java

    import java.net.*;
    import java.io.*;

    public class GreetingServer extends Thread
    {
    private ServerSocket serverSocket;

    public GreetingServer(int port) throws IOException
    {
    serverSocket = new ServerSocket(port);
    serverSocket.setSoTimeout(10000);
    }

    public void run()
    {
    while(true)
    {
    try
    {
    System.out.println("Waiting for client on port " +
    serverSocket.getLocalPort() + "...");
    Socket server = serverSocket.accept();
    System.out.println("Just connected to "
    + server.getRemoteSocketAddress());
    DataInputStream in =
    new DataInputStream(server.getInputStream());
    System.out.println(in.readUTF());
    DataOutputStream out =
    new DataOutputStream(server.getOutputStream());
    out.writeUTF("Thank you for connecting to "
    + server.getLocalSocketAddress() + "\nGoodbye!");
    server.close();
    }catch(SocketTimeoutException s)
    {
    System.out.println("Socket timed out!");
    break;
    }catch(IOException e)
    {
    e.printStackTrace();
    break;
    }
    }
    }
    public static void main(String [] args)
    {
    int port = Integer.parseInt(args[0]);
    try
    {
    Thread t = new GreetingServer(port);
    t.start();
    }catch(IOException e)
    {
    e.printStackTrace();
    }
    }
    }


  2. #2
    Senior Member PhHein's Avatar
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    Default Re: Connection refused connect

    How many more threads are you planning to post about the same topic?
    connection refused error java networking please help sir

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