ADDITIONAL SYSTEM INFORMATION :
Ubuntu 18.04

A DESCRIPTION OF THE PROBLEM :
When inside the center of a Pane (tested with AnchorPane and BorderPane) and KEY_UP is pressed, the TableView disappears. It appears again if KEY_DOWN is pressed.



STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Launch the example and press KEY_UP.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
First row is focused.
ACTUAL -
Tableview rows disappears (except the title row).

---------- BEGIN SOURCE ----------
import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;

public class HelloFx extends Application {
    
    private TableView<Person> table = new TableView<>();
    private final ObservableList<Person> data = FXCollections.observableArrayList(new Person("Jacob", "Smith", "jacob.smith@example.com"),
                                                                                  new Person("Isabella",
                                                                                             "Johnson",
                                                                                             "isabella.johnson@example.com"),
                                                                                  new Person("Ethan",
                                                                                             "Williams",
                                                                                             "ethan.williams@example.com"),
                                                                                  new Person("Emma", "Jones", "emma.jones@example.com"),
                                                                                  new Person("Michael",
                                                                                             "Brown",
                                                                                             "michael.brown@example.com"),
                                                                                  new Person("Smith", "John", "john.smith@example.com"));
    
    @Override
    public void start(Stage stage) {
        stage.setTitle("Table View Sample");
        stage.setWidth(450);
        stage.setHeight(300);
        
        TableColumn<Person, String> firstNameCol = new TableColumn<>("First Name");
        firstNameCol.setMinWidth(100);
        firstNameCol.setCellValueFactory(v -> v.getValue().firstNameProperty());
        
        TableColumn<Person, String> lastNameCol = new TableColumn<>("Last Name");
        lastNameCol.setMinWidth(100);
        lastNameCol.setCellValueFactory(v -> v.getValue().lastNameProperty());
        
        TableColumn<Person, String> emailCol = new TableColumn<>("Email");
        emailCol.setMinWidth(200);
        emailCol.setCellValueFactory(v -> v.getValue().emailProperty());
    
      
        table.setItems(data);
        table.getColumns().addAll(firstNameCol, lastNameCol, emailCol);
    
        BorderPane borderPane = new BorderPane();
        borderPane.setCenter(table);
        
        Scene scene = new Scene(borderPane);
        stage.setScene(scene);
    
        stage.show();
    }
    
    public static class Person {
        
        private final SimpleStringProperty firstName;
        private final SimpleStringProperty lastName;
        private final SimpleStringProperty email;
        
        private Person(String fName, String lName, String email) {
            this.firstName = new SimpleStringProperty(fName);
            this.lastName = new SimpleStringProperty(lName);
            this.email = new SimpleStringProperty(email);
        }
    
        public String getFirstName() {
            return firstName.get();
        }
    
        public SimpleStringProperty firstNameProperty() {
            return firstName;
        }
    
        public void setFirstName(String firstName) {
            this.firstName.set(firstName);
        }
    
        public String getLastName() {
            return lastName.get();
        }
    
        public SimpleStringProperty lastNameProperty() {
            return lastName;
        }
    
        public void setLastName(String lastName) {
            this.lastName.set(lastName);
        }
    
        public String getEmail() {
            return email.get();
        }
    
        public SimpleStringProperty emailProperty() {
            return email;
        }
    
        public void setEmail(String email) {
            this.email.set(email);
        }
    }
}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Not known.

FREQUENCY : always