nullreferenceexception after pressing set up your new website error loadxml applicationtree in stack - Installing umbraco

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John 1 post 21 karma points

Feb 07, 2013 @ 14:52

NullReferenceException after pressing 'Set up your new website' error (loadxml , applicationtree in stack )

Installing umbraco

I downloaded UmbracoCMS6.0.0 and I'm running it through visual studion 10, connecting to SQL Server 12.

(on windows 7).

Initially I had a few errors with ASCX's referring to :

UmbracoVersion.Current.ToString(3)

changing this to :

umbraco.

GlobalSettings.CurrentVersion

resolved these problems.

Then in the database install the page stalled and didn't move to the next step.

Anyhow, the database back end looked like it set up correctly.

I proceeded use the blank template option.

But the problem I can not now get around is that when I press the 'Set up your new website button' I get the following.


[NullReferenceException: Object reference not set to an instance of an object.]
   umbraco.BusinessLogic.<>c__DisplayClass14.<EnsureCache>b__12(XDocument doc) +1323
   umbraco.BusinessLogic.ApplicationTree.LoadXml(Action`1 callback, Boolean saveAfterCallback) +191
   umbraco.BusinessLogic.ApplicationTree.EnsureCache() +252
   umbraco.BusinessLogic.ApplicationTree.get_AppTrees() +25
   umbraco.BusinessLogic.ApplicationTree.getAll() +25
   umbraco.cms.presentation.Trees.TreeDefinitionCollection.EnsureTreesRegistered(Boolean clearFirst) +279
   umbraco.cms.presentation.Trees.TreeDefinitionCollection.get_Instance() +32
   umbraco.controls.Tree.TreeControl.Initialize() +361
   umbraco.controls.Tree.TreeControl.OnPreRender(EventArgs e) +93
   System.Web.UI.Control.PreRenderRecursiveInternal() +103
   System.Web.UI.Control.PreRenderRecursiveInternal() +175
   System.Web.UI.Control.PreRenderRecursiveInternal() +175
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2496

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272

1.Please can some one help?

2. Is the source code for umbraco.busineslogic dll available?

Many thanks John

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Jan Skovgaard 11280 posts 23678 karma points MVP 10x admin c-trib

Feb 10, 2013 @ 22:37

0

Hi John and welcome to our :)

Could you describe your installation process a bit more detailed? I'm not sure how it is you're trying to setup Umbraco from what you write above.

Looking forward to hearing from you.

/Jan

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TARUN SAHANI 3 posts 73 karma points

Aug 31, 2018 @ 03:05

0

Hi Jan,

I am also facing the same issue.

I have downloaded umbraco 6 version and followed steps from. https://www.wiliam.com.au/wiliam-blog/upgrading-umbraco-4-x-to-7-x

4.11.10 > 6.0.0 Download 6.0.0 from the archive.

Copy and overwrite:

/install /bin /Umbraco /Umbraco_Client Copy and overwrite, then merge in changes:

/Config /Global.asax /web.config /Views/web.config

Can you please help me.

Thanks in advance.

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