Erweiterungen

src/main/resources/application.properties

@@ -12,3 +12,6 @@ spring.jpa.open-in-view=false
 
 # Initialize the JPA Entity Manager before considering data.sql so that the EM can create the schema and data.sql contain data
 spring.jpa.defer-datasource-initialization = true
+
+server.servlet.session.timeout=300s
+vaadin.heartbeatInterval=300