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GAE Issue
My application works fine on the local development server, but when I upload it to google app engine it keeps getting an error and does not start at all.
If I use VaadinServlet instead on GAEVaadinServlet in web.xml; the application starts fine, but can't handle clicks or something else. There is always a "Communication Error".
Here are my files:
- web.xml: http://pastebin.com/Yq5Z4NcM
- appengine-web.xml: http://pastebin.com/8q9Xxd2H
- UI: http://pastebin.com/CzhwrA8q (written in kotlin)
- One view: http://pastebin.com/51S0Se7F (written in kotlin)
Here the error I receive:
This happens when I replace GAEVaadinServlet with VaadinServlet in web.xml (on every button click):
Please help, I don't know what to do any more ...