Hops Not Working, Rhino 8, Hops v0.16.23

Hops Version 0.16.23

Wondering if anyone else has had a similar issue?

To reproduce:



Errors Thrown:


RC  [11:42:15 INF] Now listening on: http://localhost:6500
RC  [11:42:15 INF] Application started. Press Ctrl+C to shut down.
RC  [11:42:15 INF] Hosting environment: Production
RC  [11:42:15 INF] Content root path: C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\Hops\0.16.23\rhino.compute
RC  [11:42:19 INF] Starting compute.geometry instance on port 6001
CG  [11:42:20 INF] Child process started at 3/19/2025 11:42:20 AM
CG  [11:42:22 INF] Compute 8.0.0.0, Rhino 8.15.25019.13001
CG  [11:42:33 INF] (1/4) Loading rhino commands plugin
CG  [11:42:33 INF] Successfully loaded commands plugin
CG  [11:42:33 INF] (2/4) Loading rhino scripting plugin
CG  [11:42:34 INF] Successfully loaded scripting plugin
CG  [11:42:34 INF] Configured scripting plugin for compute
CG  [11:42:34 INF] (3/4) Loading grasshopper
RC  [11:43:15 INF] Max concurrent requests = 0
RC  [11:43:20 INF] Unable to start a local compute server
RC  [11:43:20 ERR] HTTP POST /io responded 500 in 39484.6605 ms
System.Exception: Unable to start a local compute server
   at rhino.compute.ComputeChildren.LaunchCompute(Queue`1 processQueue, Boolean waitUntilServing) in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ComputeChildren.cs:line 229
   at rhino.compute.ComputeChildren.GetComputeServerBaseUrl() in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ComputeChildren.cs:line 98
   at rhino.compute.ReverseProxyModule.<>c.<InitializeChildren>b__5_0() in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ReverseProxy.cs:line 43
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
--- End of stack trace from previous location ---
   at rhino.compute.ReverseProxyModule.AwaitInitTask() in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ReverseProxy.cs:line 119
   at rhino.compute.ReverseProxyModule.ReverseProxyPost(HttpRequest req, HttpResponse res) in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ReverseProxy.cs:line 179
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
RC  [11:43:20 ERR] Connection id "0HNB6VIFSDGED", Request id "0HNB6VIFSDGED:00000001": An unhandled exception was thrown by the application.
System.Exception: Unable to start a local compute server
   at rhino.compute.ComputeChildren.LaunchCompute(Queue`1 processQueue, Boolean waitUntilServing) in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ComputeChildren.cs:line 229
   at rhino.compute.ComputeChildren.GetComputeServerBaseUrl() in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ComputeChildren.cs:line 98
   at rhino.compute.ReverseProxyModule.<>c.<InitializeChildren>b__5_0() in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ReverseProxy.cs:line 43
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
   at System.Threading.ExecutionContext.RunFromThreadPoolDispatchLoop(Thread threadPoolThread, ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
--- End of stack trace from previous location ---
   at rhino.compute.ReverseProxyModule.AwaitInitTask() in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ReverseProxy.cs:line 119
   at rhino.compute.ReverseProxyModule.ReverseProxyPost(HttpRequest req, HttpResponse res) in D:\BuildAgent\work\4852f584398a78e4\src\rhino.compute\ReverseProxy.cs:line 179
   at Microsoft.AspNetCore.Routing.EndpointMiddleware.<Invoke>g__AwaitRequestTask|6_0(Endpoint endpoint, Task requestTask, ILogger logger)
   at Serilog.AspNetCore.RequestLoggingMiddleware.Invoke(HttpContext httpContext)
   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequests[TContext](IHttpApplication`1 application)
RC  [11:44:15 INF] Max concurrent requests = 0
RC  [11:45:15 INF] Max concurrent requests = 0
RC  [11:46:15 INF] Max concurrent requests = 0
RC  [11:47:15 INF] Max concurrent requests = 0
RC  [11:48:15 INF] Max concurrent requests = 0
RC  [11:49:15 INF] Max concurrent requests = 0
RC  [11:50:15 INF] Max concurrent requests = 0
RC  [11:51:15 INF] Max concurrent requests = 0
RC  [11:52:15 INF] Max concurrent requests = 0
RC  [11:53:15 INF] Max concurrent requests = 0
RC  [11:54:15 INF] Max concurrent requests = 0
R

Rhino 8 SystemInfo:

Rhino 8 SR15 2025-1-19 (Rhino 8, 8.15.25019.13001, Git hash:master @ 74164bdf5469c2f269746857c54b8c44b74c7b24)
License type: Commercial, build 2025-01-19
License details: LAN Zoo Network Node

Windows 10 (10.0.19045 SR0.0) or greater (Physical RAM: 127GB)
.NET 7.0.9

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: NVIDIA Quadro RTX 6000 (NVidia) Memory: 24GB, Driver date: 3-22-2023 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 528.86
> Accelerated graphics device with 4 adapter port(s)
- Windows Main Display attached to adapter port #0
- Secondary monitor attached to adapter port #1
- Secondary monitor attached to adapter port #2

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
GPU Tessellation is: On
Redraw scene when viewports are exposed: On
Graphics level being used: OpenGL 4.6 (primary GPU’s maximum)

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 3-22-2023
Driver Version: 31.0.15.2886
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 24 GB

Rhino plugins that do not ship with Rhino
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\Bullant\24.12.10.8\bullant.rhp “bullant” 24.12.10.8
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\Karamba3D\3.1.50129\net7.0-windows\Karamba3D_LicensePlugin_Rhino8.rhp “Karamba3DLicense”
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\7.0\Plug-ins\TeDAsharp (ce983e9d-72de-4a79-8832-7c374e6e26de)\1.0.8405.22062\TeDaSharp_060.rhp “TeDAsharp” 1.0.8405.22062
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\ggRhinoIFC\25.2.12.8\ggRhinoIFC.rhp “ggRhinoIFC” 25.2.12.8
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\Fenix\2.0.0.7\FenixToolbar.rhp “FenixToolbar” 2.0.0.7
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\ggKaramba\24.11.18.8\ggKarambaIFC.rhp “ggKarambaIFC” 24.11.18.8
C:\Users\dki\AppData\Roaming\McNeel\Rhinoceros\packages\8.0\ggRhinoSAP\25.2.3.8\ggRhinoSAP.rhp “ggRhinoSAP” 25.2.3.8

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 8\Plug-ins\Commands.rhp “Commands” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 8\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 8\Plug-ins\MeshCommands.rhp “MeshCommands” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\IronPython\RhinoDLR_Python.rhp “IronPython” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\RhinoCycles.rhp “RhinoCycles” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\Grasshopper\GrasshopperPlugin.rhp “Grasshopper” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 8.15.25019.13001
C:\Program Files\Rhino 8\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 8\Plug-ins\Displacement.rhp “Displacement”
C:\Program Files\Rhino 8\Plug-ins\SectionTools.rhp “SectionTools”