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HomeHomeDNN Open Source...DNN Open Source...Module ForumsModule ForumsForumForumObject not set to a reference only as an adminObject not set to a reference only as an admin
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12/3/2006 9:41 AM
 
Frank Corrao

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

This is a problem with the forum.config object getting wiped out of cache and not getting reloaded.  So whenever it tries to access a non-static method property, the object is null.  I don't know why it happens or how to fix it.  Are you all getting an application restart right before the object ref not found?  I've been able to minimize when it happens but couldn't eliminate it entirely, so I switch forum modules until the next release...

See these links:

 

http://www.dotnetnuke.com/Community/ForumsDotNetNuke/tabid/795/forumid/7/threadid/88665/scope/posts/Default.aspx

http://www.dotnetnuke.com/Community/ForumsDotNetNuke/tabid/795/forumid/7/threadid/81452/scope/posts/Default.aspx

Version: DNN 4.4.1
Hosting Provider: 1and1
RAISE
 
New Post
12/5/2006 10:07 PM
 
NealR

www.houseviewonline.com
Joined: 11/8/2006
Posts: 5

I'm not sure why this works, but I added the following to the a header on the forum page.

<%@ OutputCache Duration="30" Location="Server" VaryByParam="None" VaryByCustom="CMSPosting" %>
I think it may force the cache's to refresh. Whatver it does, the result is that the critical error has gone away. I would like if someone could also try it out and see if they get the same results.
www.HouseViewOnline.com www.HouseViewForum.com/forum
 
New Post
12/7/2006 1:44 PM
 
NealR

www.houseviewonline.com
Joined: 11/8/2006
Posts: 5
I need to restate the above. The error does not go completly away, it just appears less often. Still not sure why, but unless I can find a better solution, moving to a different package is sounding like the only option. 
www.HouseViewOnline.com www.HouseViewForum.com/forum
 
New Post
12/7/2006 4:53 PM
 
Aaron Tarvin

Joined: 5/6/2006
Posts: 117
Nealr wrote

I'm not sure why this works, but I added the following to the a header on the forum page.

<%@ OutputCache Duration="30" Location="Server" VaryByParam="None" VaryByCustom="CMSPosting" %>
I think it may force the cache's to refresh. Whatver it does, the result is that the critical error has gone away. I would like if someone could also try it out and see if they get the same results.


Thanks!  I'll give this a try and report back in a few days.
 
New Post
12/8/2006 1:13 PM
 
Aaron Tarvin

Joined: 5/6/2006
Posts: 117

Our forums haven't had much use since I put this in, but I already see 1 error (below).  I'll keep monitoring it.

ActiveTabName: Forums
RawURL: /dnn/Forums/tabid/111/forumid/3/threadid/44/scope/posts/Default.aspx
AbsoluteURL: /dnn/Default.aspx
AbsoluteURLReferrer: http://www.twinlesstwins.org/dnn/Forums/tabid/111/forumid/3/scope/threads/Default.aspx
UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.1)
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 6bcd1071-3332-403f-80b5-1daf9afe6dd7
InnerException: Object reference not set to an instance of an object.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: DotNetNuke.Modules.Forum.Posts.RenderCommands
StackTrace:
Message: System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Modules.Forum.Posts.RenderCommands(HtmlTextWriter wr, PostInfo Post) at DotNetNuke.Modules.Forum.Posts.RenderPostHeader(HtmlTextWriter wr, PostInfo Post, Boolean PostCountIsEven, Boolean ShowDetails) at DotNetNuke.Modules.Forum.Posts.RenderPost(HtmlTextWriter wr, PostInfo Post, Boolean PostCountIsEven, Boolean ShowDetails) at DotNetNuke.Modules.Forum.Posts.RenderPosts(HtmlTextWriter wr)
 
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