Thread: Please help with "cannot find symbol" error

Hi, i wrote this code, but when i running program, there's error : "cannot find symbol method getInputStream()"

Please help me..

package Server;
import java.net.*;
import java.io.ObjectInputStream;
import java.net.Socket;
/**
*
* @author Owner
*/
public class ObjectServer {
private static int PORT = 5000;
private static ObjectInputStream in=null;

public static void main(String[] args) throws Exception {

ServerSocket serverSocket = null;
try {
Servsocket socketsv = new Servsocket(PORT);
Socket socket = socketsv.accept();
serverSocket = new ServerSocket(PORT);

in = new ObjectInputStream(serverSocket.getInputStream());
Message messageObject = (Message) in.readObject();
String messageText = messageObject.getText();
}
catch(Exception e) {
e.printStackTrace();
System.out.println("Error occured while creating the server socket");
return;
}

Socket socket = null;
try {
socket = serverSocket.accept();
} catch (Exception e) {
System.out.println("Error occured while creating the server socket");
return;
}

} }