Run H2 in server mode.

src/main/java/lab/App.java

 package lab;
 
+import java.sql.SQLException;
+
 import javafx.application.Application;
 import javafx.fxml.FXMLLoader;
 import javafx.scene.Scene;
@@ -13,7 +15,8 @@ import javafx.stage.WindowEvent;
  */
 public class App extends Application {
 
-	public static void main(String[] args) {
+	public static void main(String[] args) throws SQLException {
+		org.h2.tools.Server.createWebServer("-webAllowOthers","-webPort", "8082").start();
 		launch(args);
 	}
 	

src/main/java/lab/ScoreDAO.java

@@ -121,7 +121,7 @@ public class ScoreDAO {
 
 	private Connection getConnection() {
 		try {
-			return DriverManager.getConnection("jdbc:h2:./scoreDBh2");
+			return DriverManager.getConnection("jdbc:h2:./scoreDBh2;AUTO_SERVER=TRUE", "sa","");
 		} catch (SQLException e) {
 			e.printStackTrace();
 			return null;

src/main/java/module-info.java

@@ -2,6 +2,7 @@ module lab01 {
     requires transitive javafx.controls;
     requires javafx.fxml;
     requires java.sql;
+	requires com.h2database;
     opens lab to javafx.fxml;
     exports lab;
 }
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