I have the same issue. I have stopped using dev mode and i reverted to
standard mode.



On Sun, Dec 19, 2010 at 1:56 AM, Jim Douglas <[email protected]> wrote:

> I see the same failure here.
>
> It looks like Chrome dev version 10.0.612.1 breaks GWT DevMode, but
> production mode seems to work ok.
>
> http://code.google.com/p/google-web-toolkit/issues/detail?id=5778
>
> FWIW, this appears to be a Chrome issue (as opposed to WebKit).  The
> problem does not occur in the 17 December nightly build of WebKit
> (Version 5.0.3 (6533.19.4, r74228)).
>
> On Dec 18, 2:10 pm, alanmechy <[email protected]> wrote:
> > Hi
> >
> > I hope someone can explain this to me - it looks like the latest
> > version of Chrome doesn't work with GWT.
> >
> > Chrome updated itself to 10.0.612.1 and immediately my project fails
> > to load:
> >
> > com.google.gwt.dev.shell.HostedModeException: Something other than a
> > boolean was returned from JSNI method
> > '[email protected]::init()': JS value
> > of type JavaScript object(1), expected boolean
> >     at com.google.gwt.dev.shell.JsValueGlue.get(JsValueGlue.java:100)
> >     at
> >
> com.google.gwt.dev.shell.ModuleSpace.invokeNativeBoolean(ModuleSpace.java:
> > 186)
> >     at
> >
> com.google.gwt.dev.shell.JavaScriptHost.invokeNativeBoolean(JavaScriptHost.
> java:
> > 35)
> >     at
> >
> com.google.gwt.user.client.impl.HistoryImplTimer.init(HistoryImplTimer.java
> )
> >     at com.google.gwt.user.client.History.<clinit>(History.java:63)
> >     at
> >
> com.mechnicality.mollycore.client.HistoryWrapper.addValueChangeHandler(Hist
> oryWrapper.java:
> > 22)
> >     at
> > com.mechnicality.mollyweb.client.MollyGWTApp.bind(MollyGWTApp.java:
> > 276)
> >
> > Which appears to relate to:
> >
> > public class History {
> >
> >   private static HistoryImpl impl;
> >
> >   static {
> >     impl = GWT.create(HistoryImpl.class);
> >     if (!impl.init()) {
> >       // Set impl to null as a flag to no-op future calls.
> >       impl = null;
> >
> >       // Tell the user.
> >       GWT.log("Unable to initialize the history subsystem; did you "
> >           + "include the history frame in your host page? Try "
> >           + "<iframe src=\"javascript:''\" id='__gwt_historyFrame' "
> >           + "style='position:absolute;width:0;height:0;border:0'>"
> >           + "</iframe>");
> >     }
> >   }
> >
> > and the init() method is:
> >
> >  public native boolean init() /*-{
> >     var token = '';
> >
> >     // Get the initial token from the url's hash component.
> >     var hash = $wnd.location.hash;
> >     if (hash.length > 0) {
> >       token =
> > [email protected]::decodeFragment(Ljava/
> > lang/String;)(hash.substring(1));
> >     }
> >
> >     @com.google.gwt.user.client.impl.HistoryImpl::setToken(Ljava/lang/
> > String;)(token);
> >
> >     var historyImpl = this;
> >     $wnd.onhashchange = $entry(function() {
> >       var token = '', hash = $wnd.location.hash;
> >       if (hash.length > 0) {
> >         token =
> > [email protected]
> ::decodeFragment(Ljava/
> > lang/String;)(hash.substring(1));
> >       }
> >
> > [email protected]
> ::newItemOnEvent(Ljava/
> > lang/String;)(token);
> >     });
> >
> >     return true;
> >   }-*/;
> >
> > I tried updating from 2.1.0 to 2.1.1 and that makes no difference.
> >
> > Regards
> >
> > Alan
>
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