On Thursday, September 13, 2012 11:07:00 AM UTC+2, walker1c wrote:
>
> I'm working on a project in development mode using Eclipse and Chrome.  
> The log window fills up with exceptions like this:
>
> Caused by: com.google.gwt.dev.shell.HostedModeException: Something other 
> than a double was returned from JSNI method 
> '@com.google.gwt.user.client.ui.UIObject::extractLengthValue(Ljava/lang/String;)':
>  
> JS value of type boolean, expected double
>     at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:112)
>     at 
> com.google.gwt.dev.shell.ModuleSpace.invokeNativeDouble(ModuleSpace.java:223)
>     at 
> com.google.gwt.dev.shell.JavaScriptHost.invokeNativeDouble(JavaScriptHost.java:59)
>     at 
> com.google.gwt.user.client.ui.UIObject.extractLengthValue(UIObject.java)
>     at com.google.gwt.user.client.ui.UIObject.setWidth(UIObject.java:742)
>     at com.google.gwt.user.client.ui.UIObject.setSize(UIObject.java:652)
>     ...
> The basic cause seems to be a call to Window.getClientWidth()in response 
> to a resize event, but I don't see that there's any way I could prevent 
> it.  If it only happens in development mode I suppose it's nothing more 
> than an irritation.
>
> Has anyone else seen this?


At least 168 people: 
http://code.google.com/p/google-web-toolkit/issues/detail?id=5778#c65 

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