Program: 32444
Project: 32444
Buggy source:
private void constructor(BaseTransportConfig transportConfig,RouterServiceValidator rsvp){
  _connectionListener=new InternalMsgDispatcher();
synchronized (TRANSPORT_REFERENCE_LOCK) {
    if (_transport != null) {
      if (_transport.getIsConnected()) {
        _transport.disconnect();
      }
      _transport=null;
    }
    if (!isLegacyModeEnabled() && rsvp != null && transportConfig.getTransportType() == TransportType.MULTIPLEX) {
      if (rsvp.validate()) {
        Log.w(TAG,"String_Node_Str");
        ((MultiplexTransportConfig)transportConfig).setService(rsvp.getService());
      }
 else {
        Log.w(TAG,"String_Node_Str");
        cachedMultiConfig=(MultiplexTransportConfig)transportConfig;
        cachedMultiConfig.setService(null);
        enableLegacyMode(true,TransportType.BLUETOOTH);
        Log.d(TAG,"String_Node_Str" + legacyTransportRequest);
      }
    }
    if (!isLegacyModeEnabled() && (transportConfig.getTransportType() == TransportType.MULTIPLEX)) {
      _transport=new MultiplexTransport((MultiplexTransportConfig)transportConfig,this);
    }
 else     if (isLegacyModeEnabled() && legacyTransportRequest == TransportType.BLUETOOTH) {
      Log.d(TAG,"String_Node_Str");
      _transport=new BTTransport(this,true);
    }
 else     if (transportConfig.getTransportType() == TransportType.BLUETOOTH) {
      _transport=new BTTransport(this,((BTTransportConfig)transportConfig).getKeepSocketActive());
    }
 else     if (transportConfig.getTransportType() == TransportType.TCP) {
      _transport=new TCPTransport((TCPTransportConfig)transportConfig,this);
    }
 else     if (transportConfig.getTransportType() == TransportType.USB) {
      _transport=new USBTransport((USBTransportConfig)transportConfig,this);
    }
  }
synchronized (PROTOCOL_REFERENCE_LOCK) {
    if (_protocol != null) {
      _protocol=null;
    }
    _protocol=new WiProProtocol(this);
  }
}

Fixed version (ground truth):
private void constructor(BaseTransportConfig transportConfig,RouterServiceValidator rsvp){
  _connectionListener=new InternalMsgDispatcher();
synchronized (TRANSPORT_REFERENCE_LOCK) {
    if (_transport != null) {
      if (_transport.getIsConnected()) {
        _transport.disconnect();
      }
      _transport=null;
    }
    if (!isLegacyModeEnabled() && rsvp != null && transportConfig.getTransportType() == TransportType.MULTIPLEX) {
      if (rsvp.validate()) {
        Log.w(TAG,"String_Node_Str");
        ((MultiplexTransportConfig)transportConfig).setService(rsvp.getService());
      }
 else {
        Log.w(TAG,"String_Node_Str");
        if (cachedMultiConfig == null) {
          cachedMultiConfig=(MultiplexTransportConfig)transportConfig;
          cachedMultiConfig.setService(null);
        }
        enableLegacyMode(true,TransportType.BLUETOOTH);
        Log.d(TAG,"String_Node_Str" + legacyTransportRequest);
      }
    }
    if (!isLegacyModeEnabled() && (transportConfig.getTransportType() == TransportType.MULTIPLEX)) {
      _transport=new MultiplexTransport((MultiplexTransportConfig)transportConfig,this);
    }
 else     if (isLegacyModeEnabled() && legacyTransportRequest == TransportType.BLUETOOTH) {
      Log.d(TAG,"String_Node_Str");
      _transport=new BTTransport(this,true);
    }
 else     if (transportConfig.getTransportType() == TransportType.BLUETOOTH) {
      _transport=new BTTransport(this,((BTTransportConfig)transportConfig).getKeepSocketActive());
    }
 else     if (transportConfig.getTransportType() == TransportType.TCP) {
      _transport=new TCPTransport((TCPTransportConfig)transportConfig,this);
    }
 else     if (transportConfig.getTransportType() == TransportType.USB) {
      _transport=new USBTransport((USBTransportConfig)transportConfig,this);
    }
  }
synchronized (PROTOCOL_REFERENCE_LOCK) {
    if (_protocol != null) {
      _protocol=null;
    }
    _protocol=new WiProProtocol(this);
  }
}