I upgraded to vaadin-gwt-polymer-elements-1.2.3.1-SNAPSHOT-sources.jar and
everything seems to be working now.
On Friday, September 16, 2016 at 5:51:41 PM UTC-4, Tony wrote:
>
> I tried to use the Polymer widgets from Vaadin. However, no matter what I
> do I keep getting the error below basically saying that $wnd.HTMLImports is
> undefined. I even created a bare-bones project, just with the necessary
> code to run an example and I still get this error. Any idea what's causing
> it?
>
> thank you
> tony
>
>
> Caused by: com.google.gwt.core.client.JavaScriptException: (TypeError) :
> Cannot read property 'whenReady' of undefined
> TypeError: Cannot read property 'whenReady' of undefined
> at lQf_g$ (Polymer.java:364)
> at QPf_g$ (Polymer.java:277)
> at TQf_g$ (PolymerWidget.java:17)
> at u1f_g$ (PaperMaterial.java:39)
> at K$f_g$ (JavaApiWidget.java:17)
>
> the error is thrown in com.vaadin.polymer.Polymer.java on line 364 which
> is this:
> $wnd.HTMLImports.whenReady(!e ? f : function() {
>
> /**
> * Executes a function after all imports have been loaded and when the
> * passed element is ready to use.
> */
> public static native void whenReady(Function f, Element e)
> /*-{
> $wnd.HTMLImports.whenReady(!e ? f : function() {
> var id = setInterval(function() {
> if (@com.vaadin.polymer.Polymer::isRegisteredElement(*)(e)) {
> clearInterval(id);
> f(e);
> }
> }, 0);
> });
> }-*/;
>
>
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