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socket problem

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Post time: 2020-3-10 07:30:01
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public class NetworkActionServer extends Thread {

private static final int serverport = 8899;
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private Socket serversocket;
DBAction db = new DBAction ();
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NetworkActionServer (Socket i) {
this.serversocket = i;
}
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// Get the message from C and return the verification message
public void run () {
try {
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            // get client mes
            ObjectInputStream InputStream = new ObjectInputStream (serversocket.getInputStream ());
            User usr = (User) InputStream.readObject ();
            // do client mes
            db.insertInto (usr);
            // Return verification message
            ObjectOutputStream OutputStream = new ObjectOutputStream (serversocket.getOutputStream ());
            User [] dbusr = db.selectall ();
            for (int i = 0; i <dbusr.length; i ++) {
                System.out.println (dbusr [i] .getName ());
            OutputStream.writeObject ("a"); /////////////
                   ////////////////////////// Cannot write objects here, socket write error
            //Thread.sleep(3000);
            }
            OutputStream.flush ();
} catch (Exception e) {
e.printStackTrace ();
}
}
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public static void main (String arg []) {
try {
ServerSocket servercon = new ServerSocket (serverport);
while (true) {
Socket s = servercon.accept ();
Thread t = new NetworkActionServer (s);
t.start ();
}
} catch (Exception e) {
e.printStackTrace ();
}
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}
}
Just




socket write error ..... everyone help, thank you
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 Sweden

Post time: 2020-6-1 21:45:01
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Maybe the connection is broken.
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Post time: 2020-6-2 19:30:01
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LZ is not so good when naming variables, InputStream and OutputStream are themselves class names
 
 Try to change the variable name first.
 
 The User object implements the serial interface.
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 Author| Post time: 2020-6-14 17:30:02
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The connection is not broken, the User object has been serialized
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