[Mono-bugs] [Bug 355976] New: headers have already been sent

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=355976


           Summary: headers have already been sent
           Product: Mono: Class Libraries
           Version: SVN
          Platform: i686
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Web
        AssignedTo: mhabersack at novell.com
        ReportedBy: dna at informatik.uni-kiel.de
         QAContact: mono-bugs at lists.ximian.com
                CC: kostat at mainsoft.com
          Found By: ---


After a change in a ASP.NET 2.0 Webpage the xsp2 server restarts the web
application.

On Mono /trunk/ r93795 i got a lot of errors:

Listening on port: 8080 (non-secure)
Hit Return to stop the server.
Internal error: OutputPage threw an exception System.Web.HttpException: headers
have already been sent
  at System.Web.HttpResponse.set_StatusCode (Int32 value) [0x00000]
  at System.Web.Handlers.ScriptModule.PreSendRequestHeaders (System.Object
sender, System.EventArgs e) [0x00000]
  at System.Web.HttpApplication.TriggerPreSendRequestHeaders () [0x00000]
  at System.Web.HttpResponse.WriteHeaders (Boolean final_flush) [0x00000]
  at System.Web.HttpResponse.Flush (Boolean final_flush) [0x00000]
  at System.Web.HttpApplication.OutputPage () [0x00000]
  at System.Web.HttpApplication.PipelineDone () [0x00000]
Internal error: OutputPage threw an exception System.Web.HttpException: headers
have already been sent
  at System.Web.HttpResponse.set_StatusCode (Int32 value) [0x00000]
  at System.Web.Handlers.ScriptModule.PreSendRequestHeaders (System.Object
sender, System.EventArgs e) [0x00000]
  at System.Web.HttpApplication.TriggerPreSendRequestHeaders () [0x00000]
  at System.Web.HttpResponse.WriteHeaders (Boolean final_flush) [0x00000]
  at System.Web.HttpResponse.Flush (Boolean final_flush) [0x00000]
  at System.Web.HttpApplication.OutputPage () [0x00000]
  at System.Web.HttpApplication.PipelineDone () [0x00000]
Internal error: OutputPage threw an exception System.Web.HttpException: headers
have already been sent
  at System.Web.HttpResponse.set_StatusCode (Int32 value) [0x00000]
  at System.Web.Handlers.ScriptModule.PreSendRequestHeaders (System.Object
sender, System.EventArgs e) [0x00000]
  at System.Web.HttpApplication.TriggerPreSendRequestHeaders () [0x00000]
  at System.Web.HttpResponse.WriteHeaders (Boolean final_flush) [0x00000]
  at System.Web.HttpResponse.Flush (Boolean final_flush) [0x00000]
  at System.Web.HttpApplication.OutputPage () [0x00000]
  at System.Web.HttpApplication.PipelineDone () [0x00000]
Internal error: OutputPage threw an exception System.Web.HttpException: headers
have already been sent
  at System.Web.HttpResponse.set_StatusCode (Int32 value) [0x00000]
  at System.Web.Handlers.ScriptModule.PreSendRequestHeaders (System.Object
sender, System.EventArgs e) [0x00000]
  at System.Web.HttpApplication.TriggerPreSendRequestHeaders () [0x00000]
  at System.Web.HttpResponse.WriteHeaders (Boolean final_flush) [0x00000]
  at System.Web.HttpResponse.Flush (Boolean final_flush) [0x00000]
  at System.Web.HttpApplication.OutputPage () [0x00000]
  at System.Web.HttpApplication.PipelineDone () [0x00000]
Internal error: OutputPage threw an exception System.Web.HttpException: headers
have already been sent
  at System.Web.HttpResponse.set_StatusCode (Int32 value) [0x00000]
  at System.Web.Handlers.ScriptModule.PreSendRequestHeaders (System.Object
sender, System.EventArgs e) [0x00000]
  at System.Web.HttpApplication.TriggerPreSendRequestHeaders () [0x00000]
  at System.Web.HttpResponse.WriteHeaders (Boolean final_flush) [0x00000]
  at System.Web.HttpResponse.Flush (Boolean final_flush) [0x00000]
  at System.Web.HttpApplication.OutputPage () [0x00000]
  at System.Web.HttpApplication.PipelineDone () [0x00000]
Internal error: OutputPage threw an exception System.Web.HttpException: headers
have already been sent
  at System.Web.HttpResponse.set_StatusCode (Int32 value) [0x00000]
  at System.Web.Handlers.ScriptModule.PreSendRequestHeaders (System.Object
sender, System.EventArgs e) [0x00000]
  at System.Web.HttpApplication.TriggerPreSendRequestHeaders () [0x00000]
  at System.Web.HttpResponse.WriteHeaders (Boolean final_flush) [0x00000]
  at System.Web.HttpResponse.Flush (Boolean final_flush) [0x00000]
  at System.Web.HttpApplication.OutputPage () [0x00000]
  at System.Web.HttpApplication.PipelineDone () [0x00000]


Maybe its related to the change in:
http://lists.ximian.com/pipermail/mono-patches/2008-January/108333.html


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