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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsReportsReportsReportsController.vb:line 83 NullReferenceExceptionReportsController.vb:line 83 NullReferenceException
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10/5/2006 4:20 PM
 
wildfiction

www.headvert.com
Joined: 6/17/2006
Posts: 240
Anybody else getting this in the logs using Reports 4.3.1 and any ideas about it?

Message: System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Services.Localization.Localization.GetString(String name) at DotNetNuke.Modules.Reports.ReportsController.GetReport(Int32 ModuleId) in c:\hosting\webhost4life\member\xxxxxx\App_Code\ReportsController.vb:line 83 at DotNetNuke.Modules.Reports.ReportsController.GetSearchItems(ModuleInfo ModInfo) in c:\hosting\webhost4life\member\xxxxxxx\App_Code\ReportsController.vb:line 226 at DotNetNuke.Services.Search.ModuleIndexer.GetSearchIndexItems(Int32 PortalID)

ver 4.3.1 (to 8 July 2006) ver 4.3.2 (to 20 July 2006) ver 4.3.3 (to 5 Aug 2006) ver 4.3.4 (to 20 Sep 2006) ver 4.3.5 (to 25 Dec 2006) ver 4.4.0 (to date)
 
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10/5/2006 9:38 PM
 
Andrew Nurse

Joined: 4/12/2004
Posts: 433
I've seen it before, and I'm not sure why its happening. Fortunately, it doesn't seem to have a serious effect, other than the performance overhead from the Exception and the possible lack of Search Indexing. I'll keep investigating, but it doesn't appear to have adverse effects. But if anyone has any ideas, I'm certainly interested!

Andrew Nurse
DotNetNuke Core Team Member and Reports Module Project Lead
Microsoft Certified Professional Developer
 
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10/5/2006 10:38 PM
 
wildfiction

www.headvert.com
Joined: 6/17/2006
Posts: 240
Thanks Andrew!
ver 4.3.1 (to 8 July 2006) ver 4.3.2 (to 20 July 2006) ver 4.3.3 (to 5 Aug 2006) ver 4.3.4 (to 20 Sep 2006) ver 4.3.5 (to 25 Dec 2006) ver 4.4.0 (to date)
 
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12/16/2006 5:40 PM
 
Frank Corrao

www.raiseepilepsy.org
Joined: 4/7/2005
Posts: 122

Guys,

 

Wouldn't this because the search engine is multithreaded and it is spawned in a different thread so the call to GetString is trying to access the HttpContext but there isn't one.  The thread is NOT kicked off from an HTTP request.  You need to find a different way to get at the PortalSettings object besides going to HttpContext.  All Module developers need to be aware of this if they implement the search interface.  Or am I wrong here?

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 Shared Function GetString(ByVal name As String) As StringDim objPortalSettings As PortalSettings = CType(HttpContext.Current.Items("PortalSettings"), PortalSettings)Return GetString(name, Nothing, objPortalSettings, Nothing)End Function
Version: DNN 4.4.1
Hosting Provider: 1and1
RAISE
 
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12/16/2006 6:18 PM
 
Frank Corrao

www.raiseepilepsy.org
Joined: 4/7/2005
Posts: 122
BTW, I just fixed this...In the localization getstring method above I check to see if HttpContext.Current is null I just return an empty string. Recompiled dotnetnuke.dll and deployed and the search engine scheduled task ran, and no errors in the event log. 
Version: DNN 4.4.1
Hosting Provider: 1and1
RAISE
 
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