an error occur when I want to run the toy data.

[cyf12831]

bash scripts/test_installation.sh

Here is the error
python3.8/site-packages/prometheus_client/exposition.py", line 169, in _get_best_family
(pid=raylet) infos = socket.getaddrinfo(address, port, type=socket.SOCK_STREAM, flags=socket.AI_PASSIVE)
(pid=raylet) File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/socket.py", line 918, in getaddrinfo
(pid=raylet) for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
(pid=raylet) socket.gaierror: [Errno -2] Name or service not known
2025-03-13 15:56:07,284 WARNING worker.py:1034 -- The agent on node gn1 failed with the following error:
Traceback (most recent call last):
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/new_dashboard/agent.py", line 306, in
loop.run_until_complete(agent.run())
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
return future.result()
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/new_dashboard/agent.py", line 131, in run
modules = self._load_modules()
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/new_dashboard/agent.py", line 86, in _load_modules
c = cls(self)
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/new_dashboard/modules/reporter/reporter_agent.py", line 72, in init
self._metrics_agent = MetricsAgent(dashboard_agent.metrics_export_port)
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/metrics_agent.py", line 40, in init
prometheus_exporter.new_stats_exporter(
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/prometheus_exporter.py", line 333, in new_stats_exporter
exporter = PrometheusStatsExporter(
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/prometheus_exporter.py", line 266, in init
self.serve_http()
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/ray/prometheus_exporter.py", line 320, in serve_http
start_http_server(
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/prometheus_client/exposition.py", line 231, in start_wsgi_server
TmpServer.address_family, addr = _get_best_family(addr, port)
File "/home/chenyifeng/miniconda3/envs/virhunter/lib/python3.8/site-packages/prometheus_client/exposition.py", line 169, in _get_best_family
infos = socket.getaddrinfo(address, port, type=socket.SOCK_STREAM

[bdartigues]

Thanks for reporting this issue! To help me understand and resolve the socket.gaierror: [Errno -2] Name or service not known error you’re seeing, could you please provide some additional details? Here’s what would be really helpful:

• Can you share your operating system (e.g., Ubuntu 20.04, Windows 10), Python version (e.g., 3.8.5) where this error occurs?

• Are you running this in a local environment, a cluster (e.g., SLURM), or a virtual machine/container (e.g., Docker)?

• The error mentions 'node gn1'—is this your machine’s hostname? Does ping gn1 work for you?

• Are you using GPUs with virhunter? If so, how many GPUs are available (nvidia-smi)?

• Did you modify the ray.init() call or add another one elsewhere?

• Could you share the full log output? Running with RAY_LOG_LEVEL=DEBUG might give more clues.

• What versions of prometheus_client, and other dependencies are you using (pip list)?

Looking forward to your input—thanks for helping me debug this!

[bdartigues]

We have updated the python ray module. Can you reinstall virhunter and try again?