Hi, you need to move the form inside the popupPanel.
Thanks for advice, but this suggestion has no influence at all: everything remains the same: some buttons fired directly to the bean, some - not.
Well, I found the bug. It is the scope of data model rendering these buttons:
In this case it should be session. I still can't understand why it was "partly" working in request scope and how data model scope is connected to the buttons with bean actions?