Program: 20821
Project: 20821
Buggy source:
public void displayMedia(final String url,final String mimeType,final String title,final String description,final String iconSrc,final LaunchListener listener){
  stop(new ResponseListener<Object>(){
    @Override public void onSuccess(    Object response){
      final String instanceId="String_Node_Str";
      String[] mediaElements=mimeType.split("String_Node_Str");
      String mediaType=mediaElements[0];
      String mediaFormat=mediaElements[1];
      if (mediaType == null || mediaType.length() == 0 || mediaFormat == null || mediaFormat.length() == 0) {
        Util.postError(listener,new ServiceCommandError(0,"String_Node_Str",null));
        return;
      }
      mediaFormat="String_Node_Str".equals(mediaFormat) ? "String_Node_Str" : mediaFormat;
      String mMimeType=String.format("String_Node_Str",mediaType,mediaFormat);
      ResponseListener<Object> responseListener=new ResponseListener<Object>(){
        @Override public void onSuccess(        Object response){
          String method="String_Node_Str";
          Map<String,String> parameters=new HashMap<String,String>();
          parameters.put("String_Node_Str","String_Node_Str");
          JSONObject payload=getMethodBody(instanceId,method,parameters);
          ResponseListener<Object> playResponseListener=new ResponseListener<Object>(){
            @Override public void onSuccess(            Object response){
              LaunchSession launchSession=new LaunchSession();
              launchSession.setService(DLNAService.this);
              launchSession.setSessionType(LaunchSessionType.Media);
              Util.postSuccess(listener,new MediaLaunchObject(launchSession,DLNAService.this));
            }
            @Override public void onError(            ServiceCommandError error){
              if (listener != null) {
                listener.onError(error);
              }
            }
          }
;
          ServiceCommand<ResponseListener<Object>> request=new ServiceCommand<ResponseListener<Object>>(DLNAService.this,method,payload,playResponseListener);
          request.send();
        }
        @Override public void onError(        ServiceCommandError error){
          if (listener != null) {
            listener.onError(error);
          }
        }
      }
;
      String method="String_Node_Str";
      JSONObject httpMessage=getSetAVTransportURIBody(method,instanceId,url,mMimeType,title);
      ServiceCommand<ResponseListener<Object>> request=new ServiceCommand<ResponseListener<Object>>(DLNAService.this,method,httpMessage,responseListener);
      request.send();
    }
    @Override public void onError(    ServiceCommandError error){
      Util.postError(listener,error);
    }
  }
);
}

Fixed version (ground truth):
public void displayMedia(final String url,final String mimeType,final String title,final String description,final String iconSrc,final LaunchListener listener){
  final String instanceId="String_Node_Str";
  String[] mediaElements=mimeType.split("String_Node_Str");
  String mediaType=mediaElements[0];
  String mediaFormat=mediaElements[1];
  if (mediaType == null || mediaType.length() == 0 || mediaFormat == null || mediaFormat.length() == 0) {
    Util.postError(listener,new ServiceCommandError(0,"String_Node_Str",null));
    return;
  }
  mediaFormat="String_Node_Str".equals(mediaFormat) ? "String_Node_Str" : mediaFormat;
  String mMimeType=String.format("String_Node_Str",mediaType,mediaFormat);
  ResponseListener<Object> responseListener=new ResponseListener<Object>(){
    @Override public void onSuccess(    Object response){
      String method="String_Node_Str";
      Map<String,String> parameters=new HashMap<String,String>();
      parameters.put("String_Node_Str","String_Node_Str");
      JSONObject payload=getMethodBody(instanceId,method,parameters);
      ResponseListener<Object> playResponseListener=new ResponseListener<Object>(){
        @Override public void onSuccess(        Object response){
          LaunchSession launchSession=new LaunchSession();
          launchSession.setService(DLNAService.this);
          launchSession.setSessionType(LaunchSessionType.Media);
          Util.postSuccess(listener,new MediaLaunchObject(launchSession,DLNAService.this));
        }
        @Override public void onError(        ServiceCommandError error){
          if (listener != null) {
            listener.onError(error);
          }
        }
      }
;
      ServiceCommand<ResponseListener<Object>> request=new ServiceCommand<ResponseListener<Object>>(DLNAService.this,method,payload,playResponseListener);
      request.send();
    }
    @Override public void onError(    ServiceCommandError error){
      if (listener != null) {
        listener.onError(error);
      }
    }
  }
;
  String method="String_Node_Str";
  JSONObject httpMessage=getSetAVTransportURIBody(method,instanceId,url,mMimeType,title);
  ServiceCommand<ResponseListener<Object>> request=new ServiceCommand<ResponseListener<Object>>(DLNAService.this,method,httpMessage,responseListener);
  request.send();
}