I am trying to create the UI for a Google App Engine for Java web app
(1) I tried creating a new Vaadin project- but when I try to run it I always get an error- Google.AppEngine.Datastore class is not recognized. How do I fix this error
(2) I would like to use Vaadin in an existing Google App Engine web application- how do I do this without going through the new Vaadin Project Wizard? How do I create a vaadin based UI in an existing google app engine application?
(2) I asked the same question and the answer from one of the vaadin team was:
https://vaadin.com/de/forum/-/message_boards/view_message/570153