Program: 135304
Project: 135304
Buggy source:
LabelPickerDialog(TurboIssue issue,List<TurboLabel> allLabels,Stage stage){
  initOwner(stage);
  initModality(Modality.APPLICATION_MODAL);
  setTitle("String_Node_Str" + (issue.isPullRequest() ? "String_Node_Str" : "String_Node_Str") + issue.getId()+ "String_Node_Str"+ issue.getRepoId());
  setHeaderText((issue.isPullRequest() ? "String_Node_Str" : "String_Node_Str") + issue.getId() + "String_Node_Str"+ issue.getTitle());
  this.allLabels=allLabels;
  resultList=new HashMap<>();
  topLabels=new ArrayList<>();
  allLabels.forEach(label -> resultList.put(label.getActualName(),issue.getLabels().contains(label.getActualName())));
  ButtonType confirmButtonType=new ButtonType("String_Node_Str",ButtonBar.ButtonData.OK_DONE);
  getDialogPane().getButtonTypes().addAll(confirmButtonType,ButtonType.CANCEL);
  VBox vBox=new VBox();
  vBox.setPadding(new Insets(10));
  topPane=new FlowPane();
  topPane.setPadding(new Insets(0,0,10,0));
  topPane.setMaxWidth(LABELS_LIST_WIDTH);
  topPane.setPrefWrapLength(LABELS_LIST_WIDTH);
  topPane.setHgap(5);
  topPane.setVgap(5);
  textField=new TextField();
  textField.setPrefColumnCount(30);
  setupKeyEvents();
  bottomPane=new FlowPane();
  bottomPane.setPadding(new Insets(10,0,0,0));
  bottomPane.setMaxWidth(LABELS_LIST_WIDTH);
  bottomPane.setPrefWrapLength(LABELS_LIST_WIDTH);
  bottomPane.setHgap(5);
  bottomPane.setVgap(5);
  updateTopLabels();
  populateTopPanel();
  updateBottomLabels("String_Node_Str");
  populateBottomPane();
  vBox.getChildren().addAll(topPane,textField,bottomPane);
  getDialogPane().setContent(vBox);
  setResultConverter(dialogButton -> {
    if (dialogButton == confirmButtonType) {
      return resultList.entrySet().stream().filter(Map.Entry::getValue).map(Map.Entry::getKey).collect(Collectors.toList());
    }
    return null;
  }
);
  requestFocus();
}

Fixed version (ground truth):
LabelPickerDialog(TurboIssue issue,List<TurboLabel> allLabels,Stage stage){
  initOwner(stage);
  initModality(Modality.APPLICATION_MODAL);
  setTitle("String_Node_Str" + (issue.isPullRequest() ? "String_Node_Str" : "String_Node_Str") + issue.getId()+ "String_Node_Str"+ issue.getRepoId());
  setHeaderText((issue.isPullRequest() ? "String_Node_Str" : "String_Node_Str") + issue.getId() + "String_Node_Str"+ issue.getTitle());
  this.allLabels=allLabels;
  resultList=new HashMap<>();
  topLabels=new ArrayList<>();
  allLabels.forEach(label -> resultList.put(label.getActualName(),issue.getLabels().contains(label.getActualName())));
  ButtonType confirmButtonType=new ButtonType("String_Node_Str",ButtonBar.ButtonData.OK_DONE);
  getDialogPane().getButtonTypes().addAll(confirmButtonType,ButtonType.CANCEL);
  vBox=new VBox();
  vBox.setPadding(new Insets(10));
  vBox.setPrefHeight(1);
  topPane=new FlowPane();
  topPane.setPadding(new Insets(0,0,10,0));
  topPane.setHgap(5);
  topPane.setVgap(5);
  textField=new TextField();
  textField.setPrefColumnCount(30);
  setupKeyEvents();
  bottomPane=new FlowPane();
  bottomPane.setPadding(new Insets(10,0,0,0));
  bottomPane.setHgap(5);
  bottomPane.setVgap(5);
  updateTopLabels();
  populateTopPanel();
  updateBottomLabels("String_Node_Str");
  populateBottomPane();
  vBox.getChildren().addAll(topPane,textField,bottomPane);
  getDialogPane().setContent(vBox);
  setHeight(vBox.getHeight() + VBOX_SPACING);
  setResultConverter(dialogButton -> {
    if (dialogButton == confirmButtonType) {
      return resultList.entrySet().stream().filter(Map.Entry::getValue).map(Map.Entry::getKey).collect(Collectors.toList());
    }
    return null;
  }
);
  requestFocus();
}