I feel your pain. I narrowed this down in our case to an incorrect
style assignment. From memory I was setting:

DOM.setStyleAttribute("overflowX", "none");

Instead of:

DOM.setStyleAttribute("overflowX", "hidden");

Only in IE was it throwing this exception. I would suggest checking
your style assignments, it could be the same problem.

Joe

On Jan 8, 11:29 am, John V Denley <johnvden...@googlemail.com> wrote:
> I have just come across the following error when testing my
> application in IE7, It seems to work fine in Chrome 4.0  and FF 3.5.7
>
> I have seen several other people having the same problem on this
> forum, but I cant work out from any of them how I can work out whats
> wrong with MY application!
>
> Can anyone give me any clues as to how and where to look to find out
> where to fix this problem?
>
> Thanks,
> John
>
> 22:04:09.376 [ERROR] [idebanet] Uncaught exception escaped
> com.google.gwt.core.client.JavaScriptException: (Error): Invalid
> argument.
>  number: -2147024809
>  description: Invalid argument.
>     at com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript
> (BrowserChannelServer.java:195)
>     at com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke
> (ModuleSpaceOOPHM.java:120)
>     at com.google.gwt.dev.shell.ModuleSpace.invokeNative
> (ModuleSpace.java:507)
>     at com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject
> (ModuleSpace.java:264)
>     at com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject
> (JavaScriptHost.java:91)
>     at com.google.gwt.core.client.impl.Impl.apply(Impl.java)
>     at com.google.gwt.core.client.impl.Impl.entry0(Impl.java:188)
>     at sun.reflect.GeneratedMethodAccessor11.invoke(Unknown Source)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>     at java.lang.reflect.Method.invoke(Unknown Source)
>     at com.google.gwt.dev.shell.MethodAdaptor.invoke
> (MethodAdaptor.java:103)
>     at com.google.gwt.dev.shell.MethodDispatch.invoke
> (MethodDispatch.java:71)
>     at com.google.gwt.dev.shell.OophmSessionHandler.invoke
> (OophmSessionHandler.java:157)
>     at com.google.gwt.dev.shell.BrowserChannel.reactToMessages
> (BrowserChannel.java:1668)
>     at com.google.gwt.dev.shell.BrowserChannelServer.processConnection
> (BrowserChannelServer.java:401)
>     at com.google.gwt.dev.shell.BrowserChannelServer.run
> (BrowserChannelServer.java:222)
>     at java.lang.Thread.run(Unknown Source)
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