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write a widgetset error
Widgetset does not contain implementation for com.cvicse.unicorn.fusioncharts.wrapper.addon.components.FusionChart. Check its @ClientWidget mapping
Widgetset does not contain implementation for com.cvicse.unicorn.fusioncharts.wrapper.addon.components.FusionChart. Check its @ClientWidget mapping, widgetsets GWT module description file and re-compile your widgetset. In case you have downloaded a vaadin add-on package, you might want to refer to
<a href="http://vaadin.com/using-addons">add-on instructions</a>
. Unrendered UIDL: