 <input id="classproduction" class="form-control-file form-control-sm " wicket:id="fileUpload2" type="file"/>
                    </div>
                </div>
                <div class="form-group row">
                    <label for="classtest" class="col-sm-2 col-form-label col-form-label-sm">
                        <input class="btn btn-primary" wicket:id="btSubmit" type="submit" value="Analyze"/>
                    </label>
                    <div class="col-sm-10">
                        