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POServer cannot set status after HTTP headers have been sent IIS7.5
 

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  1. POServer cannot set status after HTTP headers have been sent IIS7.5
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    <p>Sometimes I get exception in my production environment:</p> <blockquote> <ul> <li><strong>Process information</strong> <ul> <li>Process ID: 3832 </li> <li>Process name: w3wp.exe </li> <li>Account name: NT AUTHORITY\NETWORK SERVICE </li> </ul></li> <li><strong>Exception information</strong> <ul> <li>Exception type: System.Web.HttpException </li> <li>Exception message: <strong>Server cannot set status after HTTP headers have been sent.</strong> </li> </ul></li> <li><strong>Request information</strong> <ul> <li>Request URL: <a href="http://www.myulr.pl/logon" rel="noreferrer">http://www.myulr.pl/logon</a> </li> <li>Request path: /logon </li> <li>User host address: 10.11.9.1 </li> <li>User: user001 </li> <li>Is authenticated: True </li> <li>Authentication Type: Forms </li> <li>Thread account name: NT AUTHORITY\NETWORK SERVICE </li> </ul></li> <li><strong>Thread information</strong> <ul> <li>Thread ID: 10 </li> <li>Thread account name: NT AUTHORITY\NETWORK SERVICE </li> <li>Is impersonating: False </li> </ul></li> </ul> </blockquote> <pre><code>Stack trace: at System.Web.HttpResponse.set_StatusCode(Int32 value) at System.Web.HttpResponseWrapper.set_StatusCode(Int32 value) at System.Web.Mvc.HandleErrorAttribute.OnException(ExceptionContext filterContext) at System.Web.Mvc.ControllerActionInvoker.InvokeExceptionFilters(ControllerContext controllerContext, IList(1) filters, Exception exception) at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) at System.Web.Mvc.Controller.ExecuteCore() at System.Web.Mvc.MvcHandler.&lt;&gt;c__DisplayClass8.&lt;BeginProcessRequest&gt;b__4() at System.Web.Mvc.Async.AsyncResultWrapper.&lt;&gt;c__DisplayClass1.&lt;MakeVoidDelegate&gt;b__0() at System.Web.Mvc.Async.AsyncResultWrapper.&lt;&gt;c__DisplayClass8(1).&lt;BeginSynchronous&gt;b__7(IAsyncResult _) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult(1).End() at System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; ompletedSynchronously) </code></pre> <p>I didn't noticed this error on my test environment what should I check?</p> <p><strong>I am using ASP.NET MVC 2 (Release Candidate 2)</strong> </p>
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    1. USJoel Coehoorn
    1. USmarcinn
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    1. COThis is happening to me too. The error is coming from within the HandleErrorAttribute, as in your case.
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      1. USGabe Moothart
    2. COWere you able to solve this problem?
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      1. USAzho KG
    3. COI've had the same issue since switching to MVC 2. Also when setting cookies, similar error -- can't happen after headers have been sent. I am curious about the answer. In my case, switching between http/https seems to play a part.
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      1. USMatt Sherman
 

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