Hi Vaadin Team,
I am using Vaadin 7.7.9 version, I am getting the communication problem error on login page.
I have entered my URL into browser, it takes me throug the loging page, I am enterring credentials, however some time if i enter username it self am getting communicaiton problem error on screen, some time i enter the user name and typing password, then if i submit it is giving this communication error.
could you pleaset let me known when exactly it comes, and how to resolve. I have a low speed internet.
I would like to know when exactly this error comes.
I have tried increasing the heartbeat interval in web.xml to 1500, still not use. unabe to login.
Thanks,
Kiran.