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9/19/2011 2:55 PM
 
Dylan Barber


www.braindice.com
Joined: 4/25/2003
Posts: 715
1. Silly as it sounds have you checked oth connections strings - the real one and the legacy one?
2. have you double checked the app pool for the .NET version you are running compared to old server
3. have you checked permissions on the files and the db


Dylan Barber http://www.braindice.com - Dotnetnuke development classes - skins and modules
 
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9/20/2011 4:24 AM
 
iena


Joined: 9/6/2010
Posts: 7
Jonathan Sheely wrote:
You can also try toggling (if it's false now, switch it to true, or false if it's true) these settings in the web.config. These two settings can cause DNN to redirect to installation to give an error if it's trying to upgrade but isn't allowed or visa versa




Were both true, I switched off but nothing changed


Jonathan Sheely wrote:
My guess is that it is either unable to communicate with the database (did you change both SQL strings on the web.config?) or there is a file missing or miss match in the file system files and the DB version.


I am quite shure thath it can comunicate with the database, because if i change the value in "Portals" table the site has a different response. Then I try to check all the web.config and I found 2 connection strings and I changed both. Whath do you mean when you say "there is a ... miss match in the file system files and the DB version" ??


Jonathan Sheely wrote:
You could also try the following but I think it's less likely to work.

If CustomErrors are set to Off you could try and also make sure that the custom errors are turned off in DNN by adding/updating the Host Setting UseCustomErrorMessages and set the value equal too N in the HostSettings table and restart the application pool.

 Then I will try this ... Thank you
 
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9/20/2011 4:54 AM
 
iena


Joined: 9/6/2010
Posts: 7
Dylan Barber wrote:

3. have you checked permissions on the files and the db

 What permissions? I connect to DB with full access ("sa" user) but I can't understand in what do you mean with "files permissions" ...
 
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9/20/2011 9:33 AM
 
Jonathan Sheely


twentytech.net
Joined: 2/11/2007
Posts: 73
What I meant by the miss-match is that the database thinks it is running version 6.0 but the file system has all the files for version 6.0.1 (for example).

If you are able to communicate with the database and changing the portal Alias yields a different error then you might be in luck that it is also trapping the error. Check the EventLog and order by the createdByDate descending and see what the latest errors are. If the timestamp matches up with your error then we can use that to debug where it's faulting.

In cases like this it's usually easier to just get in there and see what's going on then trying to guess at it.
Sr. Software Engineer
 
New Post
9/20/2011 9:51 AM
 
iena


Joined: 9/6/2010
Posts: 7
I HAVE AN ERROR MESSAGE!!

Object reference not set to an instance of an object.

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: 


Line 187: tabParent = GetDnnTabByTabId(tabId) 
Line 188: 
Line 189: If String.IsNullOrEmpty(parentName) Then parentName = tabParent.TabName 
Line 190: 
Line 191: sRetVal = "<span><a href=""" & DotnetNuke.Common.Globals.NavigateURL(tabParent.TabId, False) & """>" & parentName & "</a></span><br>"

Source File: C:\...\Portals\_default\Skins\Prisma\Home.ascx    Line: 189 


Now the problemi is: what does it mean? Whath is the cause for this error?
 
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