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I am converting a Vaadin 8 project to 7. When I run the app the following messages is displayed:

   Widgetset 'com.vaadin.DefaultWidgetSet' does not contain an 
   implementation for com.vaadin.v7.ui.ProgressBar. Check the connector's 
@Connect mapping, the widgetset's GWT module description file and re-
compile your widgetset.

The component it is complaining about is a vaadin plugin 

<dependency>
    <groupId>org.vaadin.addons</groupId>
    <artifactId>wizards-for-vaadin</artifactId>
    <version>2.0.0</version>
</dependency>

Inside "wizard-for-vaadin" plugin it is using import com.vaadin.v7.ui.ProgressBar;

How do I get "wizard-for-vaadin" plugin to play nice with Vaadin 8?

KRico
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  • You will need to get a v8 version of the wizard-for-vaadin addon. Since this addon is serverside only, I think you could grab the sources and upgrade it to v8 yourself. (Something which is probably more difficult when it has client side code) – André Schild Mar 17 '17 at 08:16

1 Answers1

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For v7 compatibility when using server-side components, annotate your UI class with:

@Widgetset(value = "com.vaadin.v7.Vaadin7WidgetSet")
Patryk Krawczyk
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