BTM-222 empfängt nur ein Zeichen

package bluetooth;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.Vector;

import javax.bluetooth.*;

import javax.microedition.io.Connector;

import javax.microedition.io.StreamConnection;

import javax.obex.ServerRequestHandler;

import com.intel.bluetooth.BlueCoveImpl;

import com.intel.bluetooth.BluetoothConnectionAccess;

import com.intel.bluetooth.BluetoothConnectionAccessAdapter;

import com.intel.bluetooth.BluetoothStack;

import com.intel.bluetooth.MicroeditionConnector;

import com.intel.bluetooth.RemoteDeviceHelper;

import com.intel.bluetooth.btspp.Connection;

public class FuerModulbasis_1_ {

  static BluetoothStack sta ;

    public static final Vector/*<RemoteDevice>*/ devicesDiscovered = new Vector();

    static  UUID uuidModul;

    static   boolean Modul = false;

    static   boolean trust;

    static   boolean Authen;

    static BlueCoveImpl cove; 

    static String Moduladd;

    static String Key;

    static String ModulName="Modul"; 

    static String UUID ="0003";

    public static void main(String[] args) throws IOException, InterruptedException {

        final Object inquiryCompletedEvent = new Object();

        uuidModul= new UUID("1101",true);

        devicesDiscovered.clear();

        DiscoveryListener listener = new DiscoveryListener() {

          public void deviceDiscovered(RemoteDevice btDevice, DeviceClass cod) {  

              devicesDiscovered.addElement(btDevice);

               try {

               System.out.println("Device " + btDevice.getBluetoothAddress() + btDevice.getFriendlyName(false)+ " found");

                 if(btDevice.getFriendlyName(false).equals(ModulName)){

                   System.out.println("Found my Modul");

                   Moduladd=btDevice.getBluetoothAddress();

                   Modul=true;

                   trust = btDevice.isTrustedDevice();

                   Authen =  btDevice.isAuthenticated();

                   System.out.println(btDevice.getFriendlyName(false)+"Device ist trustet " + trust );

                     if (!btDevice.isTrustedDevice()){

                     System.out.println(btDevice.getFriendlyName(false) +"ist nicht gekoppelt");

                   }

                 RemoteDeviceHelper.authenticate(btDevice, "1234");

                 Authen =  btDevice.isAuthenticated();

                 trust =btDevice.isTrustedDevice();

                 System.out.println(btDevice.getFriendlyName(false)+"Device ist trustet " + trust );

                 System.out.println(btDevice.getFriendlyName(false)+"Device ist authentifizierz"  +  Authen);  

                 System.out.println("vor Dildo");

          String  tempString = "btspp://"+Moduladd+":1;authenticate=false;encrypt=false;master=false";

                 System.out.println(tempString);

                 StreamConnection conn =   (StreamConnection) Connector.open(tempString);           

                 byte[] g = new byte[7];

                 for(byte i=0;i<7;i++){

                   g[i]=0;

                 }

                 InputStream input=    conn.openInputStream();

                 int bnack= input.read(g,1,4);

                 System.out.println(bnack+"bytes geelsen");   

                 input.close();

                 /*

            OutputStream output=    conn.openOutputStream();

                   output.write(g);

                 System.out.println("bytes gelesen");   

              output.close();

               */     

              conn.close();

                 for(int i=0;i<g.length-1;i++){

                 System.out.println(g[i]);

                 }

                 System.out.println("nach open");

                   System.out.println("nach connector");}       

        } catch (IOException e) {

          e.printStackTrace();

        }

            System.out.println("Device " + btDevice.getBluetoothAddress() + " found");

            }

            public void inquiryCompleted(int discType) {

                System.out.println("Device Inquiry completed!");

                synchronized(inquiryCompletedEvent){

                    inquiryCompletedEvent.notifyAll();

                }

            }

            public void serviceSearchCompleted(int transID, int respCode) {

            }

            public void servicesDiscovered(int transID, ServiceRecord[] servRecord) {

            }

        };

        synchronized(inquiryCompletedEvent) {

            boolean started = LocalDevice.getLocalDevice().getDiscoveryAgent().startInquiry(DiscoveryAgent.GIAC, listener);

            if (started) {

                System.out.println("wait for device inquiry to complete...");

                inquiryCompletedEvent.wait();

                System.out.println(devicesDiscovered.size() +  " device(s) found");

            }

        }

    }

}