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HomeHomeUsing DNN Platf...Using DNN Platf...Administration ...Administration ...Issue while logging into website - Server cannot modify cookies after HTTP headers have been sentIssue while logging into website - Server cannot modify cookies after HTTP headers have been sent
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11/27/2013 10:40 AM
 

Hi,

Its URGENT!!

I'm the host for my website. While logging into my website admin, facing following issue. We are facing similar issue for all the domains hosted in that server. I tried clearing cache and cookies.  

Though it slow down my website, I tried making [debug="true"]. Still facing same issue. 

Please help me rectifying this issue. 


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.Web.HttpException: Server cannot modify cookies after HTTP headers have been sent.

Source Error:

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL:

1. Add a "Debug=true" directive at the top of the file that generated the error. Example:

<%@ Page Language="C#" Debug="true" %>

or:

2) Add the following section to the configuration file of your application:

<configuration>
<system.web>
<compilation debug="true"/>
</system.web>
</configuration>

Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode.

Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario.

 

 
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11/28/2013 5:49 AM
 
I would start by working out what has changed on that server - it feels like some sort of update or patch has been run on the server that is causing a conflict.
This sort of error is somewhat odd - in that it is not likely to be coming from dnn itself unless some sort of patch / change has been made to the system
- possibly from some sort of 3rd party application maybe being installed on the system.

What version on dnn is your site running - and what are the version details for you server / sql / iis / asp.net etc.

Westa
 
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