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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ...Object reference not set to an instance of an object.Object reference not set to an instance of an object.
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9/5/2007 3:18 PM
 
Mike Murphy

Joined: 6/3/2006
Posts: 1

I get this error trying to go to the installwizard.aspx link...any ideas on a fix ?

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 

[NullReferenceException: Object reference not set to an instance of an object.]
   DotNetNuke.HttpModules.UrlRewriteModule.RewriteUrl(HttpApplication app) +369
   DotNetNuke.HttpModules.UrlRewriteModule.OnBeginRequest(Object s, EventArgs e) +731
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +92
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64

Server Error in '/comm' Application.

Object reference not set to an instance of an object.

 
 
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9/7/2007 9:04 PM
 
ik


Joined: 9/7/2007
Posts: 1

I have exactly the same problem on a fresh installation any ideas anyone?
 
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9/15/2007 3:51 PM
 
Remco Hermes

Joined: 6/23/2004
Posts: 4

I have the exact same problem with 4.5.5 as well.  Has anybody come up with a fix / solution?

You can see the error at http://olympushome.com
 
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9/17/2007 12:17 PM
 
Remco Hermes

Joined: 6/23/2004
Posts: 4

I got it fixed by starting from scratch.  Not sure what was causing the error.  My site is hosted by GoDaddy (free hosting).  For detailed information see:

http://mynetnuke.com/Blog/tabid/525/articleType/ArticleView/articleId/206/Install-DotNetNuke-453-Godaddy-Root.aspx

 

My Response:

I got it 95% working. I read the post by Ricardo Cuello @ 05 September 2007 21:25 and it gave me some ideas. I installed DNN using metropolis and looked at the web.config file they created. I was surprised to see they edited the connectionstring for SQL Server 2005 Express.

Sample:
<connectionStrings>
<!-- Connection String for SQL Server 2005 Express -->
<add name="SiteSqlServer" connectionString="Server=prod.mesa1.secureserver.net;Database=***;uid=***;pwd=***" providerName="System.Data.SqlClient" />
<!-- Connection String for SQL Server 2000/2005
<add
name="SiteSqlServer"
connectionString="Server=(local);Database=DotNetNuke;uid=;pwd=;"
providerName="System.Data.SqlClient" />
-->
</connectionStrings>

I copied these settings and uninstalled everything. I followed all the directions again (manually created all the folders) and edited my web.config file using the SQL Server 2005 Express settings. Now I get the DNN interface.

My issue now is that for every module there is a drop down menu when you hover over it with your mouse. That does not seem to work for me. On the IE page it tells me on the bottom left there are Errors on the page. When I check the details it says Error: 'childNodes(...)' is null or not an object. I am not sure what this error means or how to solve it. Has anybody seen this?
 
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9/17/2007 6:45 PM
 
Matthias Schlomann


Joined: 8/10/2003
Posts: 3594

That meens that on of the connaction string is wrong.  The green Code is the rihgt connectionstring!  That where the failed settings in the 2nd string is I have merked red!

Please think about that you have to set two ConnectionStrings !  Also you have to delete the strings for the SQL-File conections!  

 

Sample:
<connectionStrings>
<!-- Connection String for SQL Server 2005 Express -->
<add name="SiteSqlServer" connectionString="Server=prod.mesa1.secureserver.net;Database=***;uid=***;pwd=***" providerName="System.Data.SqlClient" />


<!-- Connection String for SQL Server 2000/2005
<add
name="SiteSqlServer"
connectionString="Server=(local);Database=DotNetNuke;uid=;pwd=;"
providerName="System.Data.SqlClient" />
-->
</connectionStrings>

 

Regards
Matthias
DNN MVP
www.aarsys.de
Metro7 Skin
ShoutCastStats Module for DNN
 
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