Test fail with no explanation

maoz's Avatar

maoz

19 Apr, 2017 06:18 AM

Hi,

One of the tests in my project keeps failing and there's no information except the error below.
I assume the machine is out of resources. Is there anyway to understand why?

1) Error : C:\projects\abot\Abot.Tests.Unit\bin\Debug\Abot.Tests.Unit.dll
An existing connection was forcibly closed by the remote host
Server stack trace:
   at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
   at System.Runtime.Remoting.Channels.SocketStream.Read(Byte[] buffer, Int32 offset, Int32 size)
   at System.Runtime.Remoting.Channels.SocketHandler.ReadFromSocket(Byte[] buffer, Int32 offset, Int32 count)
   at System.Runtime.Remoting.Channels.SocketHandler.Read(Byte[] buffer, Int32 offset, Int32 count)
   at System.Runtime.Remoting.Channels.SocketHandler.ReadAndMatchFourBytes(Byte[] buffer)
   at System.Runtime.Remoting.Channels.Tcp.TcpSocketHandler.ReadAndMatchPreamble()
   at System.Runtime.Remoting.Channels.Tcp.TcpSocketHandler.ReadVersionAndOperation(UInt16& operation)
   at System.Runtime.Remoting.Channels.Tcp.TcpClientSocketHandler.ReadHeaders()
   at System.Runtime.Remoting.Channels.Tcp.TcpClientTransportSink.ProcessMessage(IMessage msg, ITransportHeaders requestHeaders, Stream requestStream, ITransportHeaders& responseHeaders, Stream& responseStream)
   at System.Runtime.Remoting.Channels.BinaryClientFormatterSink.SyncProcessMessage(IMessage msg)
Exception rethrown at [0]:
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at NUnit.Engine.ITestEngineRunner.Run(ITestEventListener listener, TestFilter filter)
   at NUnit.Engine.Runners.ProcessRunner.RunTests(ITestEventListener listener, TestFilter filter)

This is the build:
https://ci.appveyor.com/project/maozoomd/abot/build/1.0.24#L2009

  1. Support Staff 1 Posted by Ilya Finkelshte... on 19 Apr, 2017 07:05 PM

    Ilya Finkelshteyn's Avatar

    Machine is not out of resources. I cloned your repository and reproduced build error. When I connect to build worker with RDP, I see normal load until this exception thrown. At that moment 1 of 2 CPU Cores is being totally occupied by Windows Error Reporting (werfault) and the following message appears in Application log:

    Faulting application name: nunit-agent.exe, version: 3.6.1.0, time stamp: 0x58bdfcf4
    Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000
    Exception code: 0xc00000fd
    Fault offset: 0x00007ff90381e8d6
    Faulting process id: 0x694
    Faulting application start time: 0x01d2b93bd74be517
    Faulting application path: C:\Tools\NUnit3\nunit-agent.exe
    Faulting module path: unknown
    Report Id: 5efba4f1-252f-11e7-817b-00155d20c03a
    Faulting package full name: 
    Faulting package-relative application ID:
    
    Which means that it is stack overflow in nunit-agent.exe. I tried previous nunit versions and also using command line with --workers=1 setting. Nothing helps.

    I wonder if it works locally for you from command line. And if yes, what specific command do you run and what specific nunit version do you use?

    Ilya.

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