Signals that a socket cannot be connected to a remote address and port. This means that the remote host can be reached, but is not responding, perhaps because there is no process on that host that is listening on the specified port.

Figure 12-2. java.net.ConnectException

public class ConnectException extends SocketException {
// Public Constructors
     public ConnectException( );  
     public ConnectException(String msg);  
}