I got the same error at first and then I don't know how it got resolved, try addind the columntree to the inherited module search into the web what is path...
Regards Sent from my BlackBerry® from Iusacell wireless device from Iusacell -----Original Message----- From: Neo <[email protected]> Date: Wed, 29 Apr 2009 04:07:34 To: GWT-Ext Developer Forum<[email protected]> Subject: Re: Object expected exception in ColumnTree init I just tried the debugger. Put a breakpoint on the line : final ColumnTree coltree = new ColumnTree(); The exception which I see now is ClassNotFoundException. I have added gwtext-2.0.5/gwtext.jar to my Project's build path. Any idea why this is happening ? Please help me. On Apr 29, 12:50 pm, Neo <[email protected]> wrote: > I am trying to use a ColumnTree in my application. But I get the > following exception : > > Caused by: com.google.gwt.core.client.JavaScriptException: > (TypeError): Object expected > number: -2146823281 > description: Object expected > at com.gwtext.client.widgets.tree.ColumnTree.init(Native Method) > > The line which throws this exception is : > final ColumnTree coltree = new ColumnTree(); > > This is how my App.GWT.XML file looks like : > > <inherits name='com.google.gwt.user.User'/> > <inherits name='com.gwtext.GwtExt' /> > <inherits name='com.gwtextux.GwtExtUx' /> > > <stylesheet src="../js/ext/resources/css/ext-all.css" /> > <script src="../js/ext/adapter/ext/ext-base.js"></script> > <script src="../js/ext/ext-all.js" /> > > I read somewhere that I need to copy the ColumnNodeUI.js file to my js/ > ext folder. I did that but I still get the exception. > > Please help me in resolving this issue. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "GWT-Ext Developer Forum" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/gwt-ext?hl=en -~----------~----~----~----~------~----~------~--~---
