hi, when validating user input, each ui control that holds a faulty value should signal this by displaying a red border or something like this. Alternatively a list with all errors should be displayed on top of the page like "Field '<name_of_control_a>' must not be empty", "Field '<name_of_control_b>' only accepts numbers" and so on. With bean validation, a pojo field must not refer directly to an ui control value. But if so, how to extract the information from the error messages which ui control belongs to a particular message? You can do this by hand. But there should be some automatism. There is GWT-VL, but it seems to be outdated. Are there any tools that can to the job (in combination withe bean validation) ?
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