tried to fix birthday gap error - not found.

pom.xml

@@ -1,5 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 
 	<groupId>de.kreth.vaadin.clubhelper</groupId>
@@ -96,6 +98,10 @@
 			<groupId>org.hibernate</groupId>
 			<artifactId>hibernate-core</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>org.hibernate</groupId>
+			<artifactId>hibernate-java8</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/dao/PersonDaoImpl.java

@@ -24,6 +24,11 @@ public class PersonDaoImpl extends AbstractDaoImpl<Person> implements PersonDao
 		super(Person.class);
 	}
 
+	@Override
+	public void save(Person obj) {
+		super.save(obj);
+	}
+
 	@Override
 	public Person findLoginUser(String username, String password) {
 		TypedQuery<Person> query = entityManager.createNamedQuery(Person.QUERY_FINDLOGIN, Person.class);

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/data/Person.java

@@ -9,6 +9,7 @@ import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import javax.persistence.Basic;
 import javax.persistence.CascadeType;
 import javax.persistence.Entity;
 import javax.persistence.FetchType;
@@ -42,6 +43,7 @@ public class Person extends BaseEntity implements Serializable {
 
 	private static final long serialVersionUID = -8361264400619997123L;
 
+	@Basic
 	private LocalDate birth;
 
 	private String prename;

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/menu/ClubhelperMenuBar.java

@@ -21,7 +21,10 @@ public class ClubhelperMenuBar extends MenuBar {
 		editMenuItem = addItem("Bearbeiten");
 		viewMenuItem = addItem("Ansicht");
 		settingsItem = addItem("Einstellungen");
-		applyState(initialState);
+
+		if (initialState != null) {
+			applyState(initialState);
+		}
 	}
 
 	public void applyState(MenuItemState state) {

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/components/menu/LoggedinMenuitemState.java

@@ -188,6 +188,10 @@ class LoggedinMenuitemState extends LoggedOffState {
 			eventDetailItem.setChecked(true);
 			eventDetailItem.setEnabled(false);
 		}
+		else if (ClubhelperViews.Systeminfo.equals(view)) {
+			systeminfoItem.setChecked(true);
+			systeminfoItem.setEnabled(false);
+		}
 	}
 
 	private void show(String preformattedText) {

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/navigation/ClubhelperNavigation.java

@@ -74,10 +74,10 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 		ViewFactory factory = new ViewFactory(page);
 		mainView = factory.createMain();
 		personEdit = factory.createPersonEdit();
-		systemInfo = factory.createSystemInfo();
 
 		MenuItemStateFactory menuItemFactory = context.getBean(MenuItemStateFactory.class);
 		setupMenuItemStateFactory(menuItemFactory);
+		systemInfo = factory.createSystemInfo(menuItemFactory);
 
 		navi = new ClubNavigator().init(mainUI);
 		ClubhelperMenuBar menuBar = new ClubhelperMenuBar(menuItemFactory.currentState());
@@ -125,8 +125,8 @@ public class ClubhelperNavigation implements ApplicationContextAware {
 			this.page = page;
 		}
 
-		public SysteminfoView createSystemInfo() {
+		public SysteminfoView createSystemInfo(MenuItemStateFactory menuItemFactory) {
-			return new SysteminfoView(isMobileSize());
+			return new SysteminfoView(isMobileSize(), menuItemFactory);
 		}
 
 		public MainView createMain() {

src/main/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/ui/navigation/SysteminfoView.java

@@ -19,13 +19,23 @@ import com.vaadin.ui.Grid.SelectionMode;
 import com.vaadin.ui.Label;
 import com.vaadin.ui.VerticalLayout;
 
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components.menu.ClubhelperMenuBar;
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components.menu.MenuItemState;
+import de.kreth.vaadin.clubhelper.vaadinclubhelper.ui.components.menu.MenuItemStateFactory;
+
 public class SysteminfoView extends VerticalLayout implements View {
 
 	private final Grid<Entry<String, String>> valueGrid;
 
 	private ListDataProvider<Entry<String, String>> entryDataProvider;
 
-	public SysteminfoView(boolean mobile) {
+	private ClubhelperMenuBar menuBar;
+
+	private MenuItemStateFactory menuStateFactory;
+
+	public SysteminfoView(boolean mobile, MenuItemStateFactory menuStateFactory) {
+		this.menuStateFactory = menuStateFactory;
+
 		valueGrid = new Grid<>();
 		valueGrid.addColumn(Entry<String, String>::getKey)
 				.setCaption("Schlüssel")
@@ -41,6 +51,10 @@ public class SysteminfoView extends VerticalLayout implements View {
 
 		entryDataProvider = DataProvider.ofCollection(new ArrayList<Entry<String, String>>());
 		valueGrid.setDataProvider(entryDataProvider);
+
+		menuBar = new ClubhelperMenuBar(null);
+		addComponent(menuBar);
+
 		Label title = new Label("<h1>Systeminformationen</h1>", ContentMode.HTML);
 		addComponent(title);
 		addComponent(valueGrid);
@@ -49,6 +63,9 @@ public class SysteminfoView extends VerticalLayout implements View {
 	@Override
 	public void enter(ViewChangeEvent event) {
 
+		MenuItemState state = menuStateFactory.currentState();
+		menuBar.applyState(state);
+
 		Collection<Entry<String, String>> items = entryDataProvider.getItems();
 		items.clear();
 		Locale locale = Locale.getDefault();

src/main/resources/application.properties

@@ -7,5 +7,6 @@ spring.datasource.jndi-name=jdbc/clubhelperbackend
 spring.jpa.open-in-view=false
 spring.jpa.properties.hibernate.enable_lazy_load_no_trans=true
 spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
+spring.jpa.properties.hibernate.jdbc.time_zone=UTC
 spring.jpa.hibernate.naming-strategy = org.hibernate.cfg.ImprovedNamingStrategy
 spring.jpa.hibernate.naming.physical-strategy=org.hibernate.boot.model.naming.PhysicalNamingStrategyStandardImpl

src/test/java/de/kreth/vaadin/clubhelper/vaadinclubhelper/dao/PersonDaoTest.java

@@ -69,14 +69,16 @@ public class PersonDaoTest {
 
 			person.setSurname("surname2");
 			person.setPrename("prename2");
-
+			person.setBirth(LocalDate.of(2018, 8, 8));
 			personDao.save(person);
 
 		});
 		afterCommit(() -> {
-			List<Person> stored = entityManager.createNamedQuery(Person.QUERY_FINDALL, Person.class).getResultList();
+			List<Person> stored = entityManager.createNamedQuery(Person.QUERY_FINDALL, Person.class)
+					.getResultList();
 			assertEquals(1, stored.size());
-			assertEquals(person, stored.get(0));
+			Person actual = stored.get(0);
+			assertEquals(person, actual);
 		});
 	}