Latest RC8 hanging on startup on AWS EC2

vvvv gamma bug
1

heya devvvvs

just tried running latest beta39 preview (RC8) on a virtual amazon machine with the following specs:
OS: Windows Server 2016
CPU: E5-2686 v4 @2.3GHz
Nvidia Tesla M60

Throws an exception when launching vvvv.exe (see startuplog below) and then hangs on the splash image. 50beta38.1 runs fine on the same machine. Any idea?

dump of startup log:

[00:32:39.387] everything you know is wrong
[00:32:39.392] Adding lib\thirdparty\x64 to PATH.
[00:32:39.409] creating SplashScreen
[00:32:39.437] creating GClock
[00:32:39.442] creating GMainloop
[00:32:39.446] creating GLog
[00:32:39.450] creating GApplication
[00:32:39.454] creating GGlobals
[00:32:39.458] creating device listener
[00:32:39.462] creating HID device controller
[00:32:39.468] creating GNodeFactory
[00:32:39.472] creating Gex9Base
[00:32:39.498] Direct3D9 initialized.
[00:32:39.518] ExceptionDialog is enabled.
[00:32:39.549] enumeratig Game Devices…
[00:32:39.558] found Game Devices:
[00:32:39.563] enumerating Midi Input Ports…
[00:32:39.567] found Midi Input Ports:
[00:32:39.570] enumerating Midi Output Ports…
[00:32:39.574] found Midi Output Ports:
[00:32:39.579] enumeratig TAPI Devices…
[00:32:39.583] found TAPI devices:
[00:32:39.589] enumeratig Audio Renderer Devices…
[00:32:39.596] found Audio Renderer Devices: “Default DirectSound Device”,“Default WaveOut Device”
[00:32:39.599] enumeratig Midi Renderer Devices…
[00:32:39.604] found Midi Renderer Devices: “Default MidiOut Device”
[00:32:39.607] enumeratig External Renderer Devices…
[00:32:39.612] found External Renderer Devices:
[00:32:39.617] enumeratig Audio Input Devices…
[00:32:39.621] found Audio Input Devices:
[00:32:39.625] enumeratig Video Input Devices…
[00:32:39.629] found Video Input Devices:
[00:32:39.653] creating MainForm
[00:32:39.737] creating AddonHost
[00:32:41.057] vvvv caused error during startup: The composition produced a single composition error. The root cause is provided below. Review the CompositionException.Errors property for more detailed information.

  1. Method not found: ‘System.Collections.Generic.HashSet1<!!0> System.Linq.Enumerable.ToHashSet(System.Collections.Generic.IEnumerable1<!!0>)’.

Resulting in: An exception occurred while trying to create an instance of type ‘VVVV.VL.Factories.NodeFactory’.

Resulting in: Cannot activate part ‘VVVV.VL.Factories.NodeFactory’.
Element: VVVV.VL.Factories.NodeFactory → VVVV.VL.Factories.NodeFactory → AssemblyCatalog (Assembly=“VVVV.VLIntegration, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null”)

Resulting in: Cannot get export ‘VVVV.VL.Factories.NodeFactory (ContractName=“VVVV.PluginInterfaces.V2.IAddonFactory”)’ from part ‘VVVV.VL.Factories.NodeFactory’.
Element: VVVV.VL.Factories.NodeFactory (ContractName=“VVVV.PluginInterfaces.V2.IAddonFactory”) → VVVV.VL.Factories.NodeFactory → AssemblyCatalog (Assembly=“VVVV.VLIntegration, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null”)

Resulting in: Cannot set import ‘VVVV.Hosting.HDEHost.AddonFactories (ContractName=“VVVV.PluginInterfaces.V2.IAddonFactory”)’ on part ‘VVVV.Hosting.HDEHost’.
Element: VVVV.Hosting.HDEHost.AddonFactories (ContractName=“VVVV.PluginInterfaces.V2.IAddonFactory”) → VVVV.Hosting.HDEHost

2

this should be part of the .NET standard stuff, does that machine have .NET 4.7 installed?

3

Yep, installing .NET 4.72 solved the problem. Thanks MicroD!!

4

@hengge did you download the .zip or did you use the installer? the installer should check for net 4.7 and install it… that can take quite a while. did you see this happening? or maybe cancelled the setup process?

5

@tonfilm pretty sure it was just the zip. was RC8 even provided as installer back then? I think I also had a case when I had the same problem and tried to install .net 4.7 from MS downloads. Then it would tell me that it is already installed. Then I downloaded .net 4.7.2 installer and it would let me install that one…and it sorted the problem.
Only seen this problem on Windows server machines yet. on win10 machines it was usually fine.
Not sure if any of that makes any sense?!? :)

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