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I recently started to use Vaadin and so far so good :D
I started to tweak the maven archtype application example (CRUD example).
The first showstopper:
I tried to add an Upload component to the ProductForm but the component stays in disabled state whatever I do :/ The same component is workingfine ifI put it onto Grid part (above the grid) I inspect the element with chrome and the component is in disabled state and cannot be enabled... What can I do, and where can Isearch the cause?