Program: 167440
Project: 167440
Buggy source:
@SuppressWarnings("String_Node_Str") public TopBar(ViewManager vm,ApplicationContext context){
  setWidth(100,Unit.PERCENTAGE);
  this.viewManager=vm;
  this.viewManager.addViewChangeListener(this);
  viewToButtonMapping=new HashMap<String,MenuItem>();
  menuBar=new MenuBar();
  menuBar.setWidth(100,Unit.PERCENTAGE);
  addComponent(menuBar);
  setExpandRatio(menuBar,1.0f);
  Button helpButton=new Button("String_Node_Str",FontAwesome.QUESTION_CIRCLE);
  helpButton.addClickListener(event -> openHelp(event));
  addComponent(helpButton);
  Button settingsButton=new Button(context.getUser().getLoginId(),FontAwesome.GEAR);
  settingsButton.addClickListener(new ClickListener(){
    @Override public void buttonClick(    ClickEvent event){
    }
  }
);
  addComponent(settingsButton);
  Button logoutButton=new Button("String_Node_Str",FontAwesome.SIGN_OUT);
  logoutButton.addClickListener(event -> logout());
  addComponent(logoutButton);
  Map<Category,List<TopBarLink>> menuItemsByCategory=viewManager.getMenuItemsByCategory();
  Set<Category> categories=menuItemsByCategory.keySet();
  for (  Category category : categories) {
    if (!context.getUser().hasPrivilege(category.name())) {
      continue;
    }
    List<TopBarLink> links=menuItemsByCategory.get(category);
    if (viewManager.getDefaultView() == null && links.size() > 0) {
      viewManager.setDefaultView(links.get(0).id());
    }
    MenuItem categoryItem=null;
    if (links.size() > 1) {
      categoryItem=menuBar.addItem(category.name(),null);
      categoryItem.setCheckable(true);
      categoryItems.add(categoryItem);
    }
    for (    final TopBarLink menuLink : links) {
      Command command=new Command(){
        private static final long serialVersionUID=1L;
        @Override public void menuSelected(        MenuItem selectedItem){
          uncheckAll();
          selectedItem.setChecked(true);
          viewManager.navigateTo(menuLink.id());
        }
      }
;
      MenuItem menuItem=null;
      if (categoryItem == null) {
        menuItem=menuBar.addItem(menuLink.name(),command);
      }
 else {
        menuItem=categoryItem.addItem(menuLink.name(),command);
      }
      menuItem.setCheckable(true);
      viewToButtonMapping.put(menuLink.id(),menuItem);
    }
  }
  viewManager.navigateTo(viewManager.getDefaultView());
}

Fixed version (ground truth):
@SuppressWarnings("String_Node_Str") public TopBar(ViewManager vm,ApplicationContext context){
  setWidth(100,Unit.PERCENTAGE);
  this.viewManager=vm;
  this.viewManager.addViewChangeListener(this);
  viewToButtonMapping=new HashMap<String,MenuItem>();
  menuBar=new MenuBar();
  menuBar.setWidth(100,Unit.PERCENTAGE);
  addComponent(menuBar);
  setExpandRatio(menuBar,1.0f);
  Button helpButton=new Button("String_Node_Str",FontAwesome.QUESTION_CIRCLE);
  helpButton.addClickListener(event -> openHelp(event));
  addComponent(helpButton);
  Button settingsButton=new Button(context.getUser().getLoginId(),FontAwesome.GEAR);
  settingsButton.addClickListener(new ClickListener(){
    @Override public void buttonClick(    ClickEvent event){
    }
  }
);
  addComponent(settingsButton);
  Button logoutButton=new Button("String_Node_Str",FontAwesome.SIGN_OUT);
  logoutButton.addClickListener(event -> logout());
  addComponent(logoutButton);
  Map<Category,List<TopBarLink>> menuItemsByCategory=viewManager.getMenuItemsByCategory();
  Set<Category> categories=menuItemsByCategory.keySet();
  for (  Category category : categories) {
    if (!context.getUser().hasPrivilege(category.name())) {
      log.info("String_Node_Str",context.getUser(),category.name());
      continue;
    }
    List<TopBarLink> links=menuItemsByCategory.get(category);
    boolean needDefaultView=viewManager.getDefaultView() == null && links.size() > 0;
    MenuItem categoryItem=null;
    if (links.size() > 1) {
      categoryItem=menuBar.addItem(category.name(),null);
      categoryItem.setCheckable(true);
      categoryItems.add(categoryItem);
    }
    if (needDefaultView) {
      viewManager.setDefaultView(links.get(0).id());
    }
    for (    final TopBarLink menuLink : links) {
      Command command=new Command(){
        private static final long serialVersionUID=1L;
        @Override public void menuSelected(        MenuItem selectedItem){
          uncheckAll();
          selectedItem.setChecked(true);
          viewManager.navigateTo(menuLink.id());
        }
      }
;
      MenuItem menuItem=null;
      if (categoryItem == null) {
        menuItem=menuBar.addItem(menuLink.name(),command);
      }
 else {
        menuItem=categoryItem.addItem(menuLink.name(),command);
      }
      menuItem.setCheckable(true);
      viewToButtonMapping.put(menuLink.id(),menuItem);
    }
  }
  viewManager.navigateTo(viewManager.getDefaultView());
}