This may or may not be a duplicate of RT-39189.

When running the following test programm and using <Tab> to traverse the Nodes, the focus gets "caught" in button "two", i.e. when the focus is there it won't move on to button "three".

import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.SelectionMode;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class TableViewFocusTraversal extends Application {

    ObservableList<Person> items = FXCollections.observableArrayList();
    TableView<Person> table = new TableView<Person>();

    public TableViewFocusTraversal() {
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        TableColumn<Person, String> firstNameCol = new TableColumn<Person, String>();
        firstNameCol.setCellValueFactory(new PropertyValueFactory<Person, String>("firstName"));
        firstNameCol.setGraphic(new Button("two"));
        table.getColumns().add(firstNameCol);
        table.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);
        
     VBox vbox = new VBox();
        vbox.getChildren().addAll(new Button("one"), table, new Button("three"));

        Scene scene = new Scene(vbox, 400, 400);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }

    public class Person {
        private StringProperty firstName;

        public void setFirstName(String value) {
            firstNameProperty().set(value);
        }

        public String getFirstName() {
            return firstNameProperty().get();
        }

        public StringProperty firstNameProperty() {
            if (firstName == null)
                firstName = new SimpleStringProperty(this, "firstName");
            return firstName;
        }
    }
}