Related bugs:

RT-36832 Styled table cells get temporarily out of alignment with headers


Problem:

Column labels and column contents go out of alignment when horizontal scrollbar was scrolled and then maximize the window. The column headers are shifted to the left.

Procedure:
Run the code bellow
Adjust the window size so that the horizontal scrollbar is visible
Scroll to the right.
Maximize the window.



import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.HBox;
import javafx.scene.text.Font;
import javafx.stage.Stage;
 
public class table extends Application {
    HBox root = new HBox();
    private TableView<Person> table = new TableView<Person>();
    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")
        );
 
    public static void main(String[] args) {
        launch(args);
    }
 
    @Override
    public void start(Stage stage) {
        Scene scene = new Scene(new Group());
        double weight = scene.getWidth();;
        double height=scene.getHeight();
        stage.setTitle("Table View Sample");
        stage.setWidth(weight);
        stage.setHeight(height);
        table.setEditable(true);
        TableColumn firstNameCol = new TableColumn("First Name");
        firstNameCol.setMinWidth(500);
        firstNameCol.setCellValueFactory(
                new PropertyValueFactory<Person, String>("firstName"));
 
        TableColumn lastNameCol = new TableColumn("Last Name");
        lastNameCol.setMinWidth(500);
        lastNameCol.setCellValueFactory(
                new PropertyValueFactory<Person, String>("lastName"));
 
        TableColumn emailCol = new TableColumn("Email");
        emailCol.setMinWidth(1000);
        emailCol.setCellValueFactory(
                new PropertyValueFactory<Person, String>("email"));
 
        table.setItems(data);
        table.getColumns().addAll(firstNameCol, lastNameCol, emailCol);
        root.getChildren().addAll(table);
        scene = new Scene(root, weight, height, true);
        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 void setFirstName(String fName) {
            firstName.set(fName);
        }
 
        public String getLastName() {
            return lastName.get();
        }
 
        public void setLastName(String fName) {
            lastName.set(fName);
        }
 
        public String getEmail() {
            return email.get();
        }
 
        public void setEmail(String fName) {
            email.set(fName);
        }
    }
}