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During our 3rd Party App Compatibility testing, some cases failed because of this error (StatusCode cannot be set because the response has already started.), We have seen this issue in 4 web applications, we think this is related to Kestrel, issue does not repro when we launch the app with IISExpress via VS.
It is related to "C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App\7.0.0-rc.1.22412.2\Microsoft.AspNetCore.Server.Kestrel.Core.dll"
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[1]
Executed endpoint 'Oqtane.Controllers.UserController.Get (Oqtane.Server)'
fail: Microsoft.AspNetCore.Server.Kestrel[13]
Connection id "0HMJVC2GF9M66", Request id "0HMJVC2GF9M66:00000001": An unhandled exception was thrown by the application.
System.InvalidOperationException: Setting the header Content-Length is not allowed on responses with status code 204.
warn: Microsoft.AspNetCore.Server.Kestrel[0]
Connection processing ended abnormally.
System.InvalidOperationException: StatusCode cannot be set because the response has already started.
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ThrowResponseAlreadyStartedException(String value)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.set_StatusCode(Int32 value)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.SetErrorResponseHeaders(Int32 statusCode)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.CreateResponseHeaders(Boolean appCompleted)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProduceEnd()
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequests[TContext](IHttpApplication`1 application)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequestsAsync[TContext](IHttpApplication`1 application)
info: Microsoft.AspNetCore.Hosting.Diagnostics[1]
Request starting HTTP/1.1 POST https://localhost:5001/api/Log application/json;+charset=utf-8 -
info: Microsoft.AspNetCore.Routing.EndpointMiddleware[0]
.NET Version
7.0.100-rc.1.22413.1
Anything else?
C:\h\w\AE710988\p>dotnet --info
.NET SDK:
Version: 7.0.100-rc.1.22413.1
Commit: fd587269d0
Runtime Environment:
OS Name: Windows
OS Version: 10.0.19043
OS Platform: Windows
RID: win10-x64
Base Path: C:\Program Files\dotnet\sdk\7.0.100-rc.1.22413.1\
Host:
Version: 7.0.0-rc.1.22411.12
Architecture: x64
Commit: f52d8c59bb
.NET SDKs installed:
7.0.100-rc.1.22413.1 [C:\Program Files\dotnet\sdk]
.NET runtimes installed:
Microsoft.AspNetCore.App 7.0.0-rc.1.22412.2 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 7.0.0-rc.1.22411.12 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 7.0.0-rc.1.22379.3 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Is there an existing issue for this?
Describe the bug
During our 3rd Party App Compatibility testing, some cases failed because of this error (StatusCode cannot be set because the response has already started.), We have seen this issue in 4 web applications, we think this is related to Kestrel, issue does not repro when we launch the app with IISExpress via VS.
Application Name: OqtaneFramework(3.0.3), QuickApp, EventStore,mixcore
OS: Windows 10 RS5
CPU: X64
.NET Build Number: dotnet-sdk-7.0.100-rc.1.22413.1
Github Link: https://github.com/oqtane/oqtane.framework/releases/tag/v3.0.3
App checking at : https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1593251/
Verify Scenarios:
1). Windows10 RS5 x64+dotnet-sdk-7.0.100-rc.1.22413.1: Fail
2). Windows10 RS5 x64+dotnet-sdk-7.0.100-rc.1.22408.5: Pass
3). Windows10 RS5 x64+dotnet-sdk-6.0.303-win-x64: Pass
Expected Behavior
It should save the new user
Steps To Reproduce
The machine only has 7.0 installed. And DOTNET_ROLL_FORWARD_ON_NO_CANDIDATE_FX=2 is set.
Exceptions (if any)
Save Failed
Exception:
.NET Version
7.0.100-rc.1.22413.1
Anything else?
@dotnet-actwx-bot @dotnet/compat