In general, you should report problems like this by hitting the
"Contact Support" button in the error window and submitting your log
and config details to us so that we can see the full context. For
example, what version of Windows are you using?

It looks like something is interfering with localhost communications
or JavaScript. Make sure that anything that might interfere with local
communications is disabled (like any proxy configured in your browser
settings or any overly aggressive anti-virus or firewall software). If
you have a proxy server configured in your browser Settings, make sure
to set the browser to "bypass the proxy server for local addresses".
As a test, you can try disabling the proxy / firewall / anti-virus
software completely.

Also, are you using any other browser plugins that interfere with
JavaScript? If so, please try turning them off. Are you able to access
gmail using IE?

Have you installed any OS updates recently? We have seen this caused
by an incorrectly installed/updated IE8, for example. Reinstalling IE
may help in that case.

You can also try increasing the amount of memory assigned to Eclipse
(edit your eclipse.ini file) or try increasing the "WindowBuilder >
GWT > Hosted mode initialize timeout" value from 60 to 120 or even
higher.

On Jan 30, 9:09 am, Val <[email protected]> wrote:
> Hi, I installed GWT Designer plugin latest version (8.1.1) on both
> Eclipse Helios and Galileo, but I'm unable to switch to Design mode.
> Below is the stack trace recorded on Eclipse's log:
>
> com.instantiations.designer.core.utils.exception.DesignerException:
> 4103 (GWT initialization timeout.).
> at
> com.instantiations.designer.gwt.GWT_ExceptionRewriter.rewrite(GWT_Exception 
> Rewriter.java:
> 44)
> at
> com.instantiations.designer.core.editor.errors.DesignerExceptionUtils.rewri 
> teException(DesignerExceptionUtils.java:
> 318)
> at
> com.instantiations.designer.core.editor.DesignPage.showExceptionOnDesignPan 
> e(DesignPage.java:
> 371)
> at
> com.instantiations.designer.core.editor.DesignPage.internal_refreshGEF(Desi 
> gnPage.java:
> 315)
> at
> com.instantiations.designer.core.editor.UndoManager.refreshDesignerEditor(U 
> ndoManager.java:
> 362)
> at
> com.instantiations.designer.core.editor.UndoManager.activate(UndoManager.ja 
> va:
> 75)
> at
> com.instantiations.designer.core.editor.DesignPage.handleActiveState_True(D 
> esignPage.java:
> 207)
> at
> com.instantiations.designer.core.editor.DesignPage.handleActiveState(Design 
> Page.java:
> 194)
> at
> com.instantiations.designer.core.editor.multi.DefaultMultiMode.showPage(Def 
> aultMultiMode.java:
> 101)
> at com.instantiations.designer.core.editor.multi.DefaultMultiMode
> $1.widgetSelected(DefaultMultiMode.java:48)
> at
> org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:
> 228)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1027)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1012)
> at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:770)
> at org.eclipse.swt.custom.CTabFolder.setSelection(CTabFolder.java:
> 3256)
> at org.eclipse.swt.custom.CTabFolder.onMouse(CTabFolder.java:2045)
> at org.eclipse.swt.custom.CTabFolder$1.handleEvent(CTabFolder.java:
> 323)
> at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
> at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1003)
> at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:
> 3910)
> at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3503)
> at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2405)
> at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2369)
> at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2221)
> at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:500)
> at
> org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:
> 332)
> at
> org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:
> 493)
> at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:
> 149)
> at
> org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication 
> .java:
> 113)
> at
> org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java :
> 194)
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication 
> (EclipseAppLauncher.java:
> 110)
> at
> org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseA 
> ppLauncher.java:
> 79)
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:
> 368)
> at
> org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:
> 179)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:559)
> at org.eclipse.equinox.launcher.Main.basicRun(Main.java:514)
> at org.eclipse.equinox.launcher.Main.run(Main.java:1311)
>
> Session data:
>
> eclipse.buildId=unknown
> java.version=1.6.0_23
> java.vendor=Sun Microsystems Inc.
> BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=fr_BE
> Framework arguments:  -product org.eclipse.epp.package.jee.product
> Command-line arguments:  -os win32 -ws win32 -arch x86 -product
> org.eclipse.epp.package.jee.product
>
> Please advise.

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