One of our users receives an error message in our web application. We could not duplicate this problem, and I suspected that it was connected to the network. I tried the application using my laptop in my office and my home, and confirmed that the problem only occurs in their office.
I went to the server and looked at the event viewer right after they tried in my office, and the next warning was in the log.
I don’t understand how to start tracking this. Any suggestions?
The event log. The log below:
Event ID: 3005 Event Message: An unhandled exception occurred. Event Time: 06/20/2012 18:32:45 PM Event Time (UTC): 06/20/2012 10:32:45 PM Event ID: ebf8f628a9b3457cbea117c8c2da2186 Event Sequence: 2970 Event: 26 Event ID: 0 Application Information:
Application domain: /LM/W3SVC/50/ROOT-1-129847041933281152
Trust level: Full
Application Virtual Path: /
Application Path: c:\websites\foobar.acme.com\
Machine name: MyServer Process information:
Process ID: 15152
Process name: w3wp.exe
Account name: NT AUTHORITY\NETWORK SERVICE Exception information:
Exception type: HttpException
Exception message: Server cannot set content type after HTTP headers have been sent. Request information:
Request URL: http://foobar.acme.com/Project/Evaluate/ResultsXML.aspx?step=89&uid=4397&rnd=hhf8oe
Request path: /Project/Evaluate/ResultsXML.aspx
User host address: 192.168.102.1
User:
Is authenticated: False
Authentication Type:
Thread account name: NT AUTHORITY\NETWORK SERVICE Thread information:
Thread ID: 12
Thread account name: NT AUTHORITY\NETWORK SERVICE
Is impersonating: False
Stack trace: at System.Web.HttpResponse.set_ContentType(String value) at System.Web.UI.Page.SetIntrinsics(HttpContext context,
Boolean allowAsync) at
System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context)
at System.Web.UI.Page.ProcessRequest(HttpContext context) at
ASP.error_aspx.ProcessRequest(HttpContext context) at
System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler,
TextWriter writer, Boolean preserveForm, Boolean setPreviousPage,
VirtualPath path, VirtualPath filePath, String physPath, Exception
error, String queryStringOverride)
Custom event details:
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