To simplify things and help our users to be more productive, we have archived the current forum and focus our efforts on helping developers on Stack Overflow. You can post new questions on Stack Overflow or join our Discord channel.
I have downloaded https://vaadin.com/wiki/-/wiki/Main/Building%20Vaadin%20Applications%20on%20top%20of%20Activiti and made it run. It's working fine. But i need to create my own activiti flow and application like login activiti. I have tried same as files structure in the above application but I am getting error like getViewController() is null pointer exception. So can any one please help me to create simple activiti application in vaadin.