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error that I'm unable to recreate

4 posts, 0 answered
  1. Mike Mutek
    Mike Mutek avatar
    15 posts
    Registered:
    03 Dec 2009
    20 Apr 2011
    Link to this post
    We're experiencing an error on our front page that I'm unable to figure out.  It's an occasional error that happens every once in a while.  I've attempted to recreate the error by duplicating the users setup (browser, os, etc) but am unable to do so. 

    When this error occurs, all users attempting to login on the front page cannot click "Go" or hit enter to move through the login process.  The browser fires an error on page.  Below is the error found in sitefinity.log.

    4/19/2011 8:07:34 PM [UNKNOWN]
    ************************************************************************************
    ID: 5193b71b-d746-4954-9389-11cc39ecc20f; Code: 3005; Occurrence: 1; Sequence: 23
    ------------------------------------------------------------------------------------

    Application information:
        Machine name: Server_Name
        OS Version: Microsoft Windows NT 6.0.6002 Service Pack 2
        Product Version: 3.6.1936.2
        Application Path: C:\SITENAME\www\
        Debug: False

    Process information:
        Process ID: 448
        Process Name: w3wp

    Request information:
        Request URL: /home.aspx
        Rewrite URL: https://www.pfcu.com/sitefinity/cmsentrypoint.aspx
        Url Referrer:    Is Authenticated: False
        Authentication Type:
        User:
        User Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; GTB6.6; SearchToolbar 1.2; SLCC2; .NET CLR 2.0.50727; MSN 9.0;MSN 9.1;MSN 9.6;MSN 10.0; MSNbVZ02; MSNmen-us; MSNcOTH)
        User Address: 74.109.59.131

    Variables:
        SF_Crawler: False
        AspSessionIDManagerInitializeRequestCalled: True
        Sitefinity.UrlChahged: True
        cmspageid: 386dc2c7-1b59-4560-9ae3-46089258a552
        CmsHttpRequest: /home.aspx
        RadControlRandomNumber: 0
        _!TelerikVersionStampRendered: True
        cmsurlcontext: Home

    - L0 -------------------------------------------------------------------------------

    Exception Type: System.ArgumentException

    Message: Value cannot be null or empty.
    Parameter name: handler

    Source: System.Web.Extensions

    Stack Trace:
       at System.Web.UI.ScriptComponentDescriptor.AddEvent(String name, String handler)
       at Telerik.Web.ScriptObjectBuilder.DescribeComponent(Object instance, ScriptComponentDescriptor descriptor, IUrlResolutionService urlResolver, IControlResolver controlResolver)
       at Telerik.Web.UI.ControlItemContainer.DescribeComponent(ScriptComponentDescriptor descriptor)
       at Telerik.Web.UI.RadPanelBar.DescribeComponent(ScriptComponentDescriptor descriptor)
       at Telerik.Web.UI.RadDataBoundControl.Telerik.Web.IControl.DescribeComponent(ScriptComponentDescriptor descriptor)
       at Telerik.Web.UI.ScriptRegistrar.GetScriptDescriptors(Control control)
       at Telerik.Web.UI.RadDataBoundControl.GetScriptDescriptors()
       at Telerik.Web.UI.RadDataBoundControl.System.Web.UI.IScriptControl.GetScriptDescriptors()
       at System.Web.UI.ScriptControlManager.RegisterScriptDescriptors(IScriptControl scriptControl)
       at System.Web.UI.ScriptManager.RegisterScriptDescriptors(IScriptControl scriptControl)
       at Telerik.Web.UI.RadDataBoundControl.RegisterScriptDescriptors()
       at Telerik.Web.UI.RadDataBoundControl.Render(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
       at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
       at System.Web.UI.Control.Render(HtmlTextWriter writer)
       at UserControls_Nav_SitePanelbar.Render(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
       at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
       at System.Web.UI.Control.Render(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
       at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
       at System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer)
       at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
       at System.Web.UI.HtmlControls.HtmlForm.Render(HtmlTextWriter output)
       at System.Web.UI.Adapters.ControlAdapter.Render(HtmlTextWriter writer)
       at Telerik.Cms.Web.FormAdapter.Render(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
       at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
       at System.Web.UI.Control.Render(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
       at System.Web.UI.Control.RenderChildren(HtmlTextWriter writer)
       at System.Web.UI.Page.Render(HtmlTextWriter writer)
       at Telerik.Web.UI.RadAjaxPage.Render(HtmlTextWriter writer)
       at Telerik.Cms.Web.InternalPage.Render(HtmlTextWriter writer)
       at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter)
       at System.Web.UI.Control.RenderControl(HtmlTextWriter writer)
       at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
    ------------------------------------------------------------------------------------


    I know this may be something wrong in the code, but I'm hoping you can help narrow down what is causing the error..

    Please let me know if you need additional information.
  2. Ivan Dimitrov
    Ivan Dimitrov avatar
    16072 posts
    Registered:
    09 Dec 2016
    25 Apr 2011
    Link to this post
    Hello Mike,

    Have you made changes to SitePanelbar user control or App_Browsers/BrowserFile.browser ?

    Kind regards,
    Ivan Dimitrov
    the Telerik team

  3. Mike Mutek
    Mike Mutek avatar
    15 posts
    Registered:
    03 Dec 2009
    25 Apr 2011
    Link to this post
    Hi Ivan, thanks for your reply.

    No changes have been made to the browserfile or the SitePanelBar since the site has been deployed as well. 

    The site was developed by a third party so I don't have the original SitePanelBar or BrowserFile to compare ours to.  We're currently working on getting the site license transfer over to our name as the 3rd party's support has been has been less than helpful since the site has been deployed live.

    Please advise.
  4. Ivan Dimitrov
    Ivan Dimitrov avatar
    16072 posts
    Registered:
    09 Dec 2016
    26 Apr 2011
    Link to this post
    Hello Mike,

    The stack trace indicates some issues with the RadPanelBar control rendering

    at UserControls_Nav_SitePanelbar.Render(HtmlTextWriter writer)

    You should check whether this control is customized and the browsers file as well. You can deploy the project to a local server to see if the issue will come up.
    The issue could be related to the AJAX, because the error comes from System.Web.Extensions when the RadPanelBar tries to describe an object IScriptDescriptor reflected property. This happens when the script descriptor is filling with data.

    All the best,
    Ivan Dimitrov
    the Telerik team

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4 posts, 0 answered