[BUG]: Sid Viz: Error occurred trying to send message over socket on shutdown

[dagardner-nv]

Version

25.02

Which installation method(s) does this occur on?

Docker

Describe the bug.

Error appears on pipeline shutdown, likely a race condition.

Minimum reproducible example

Follow steps in `examples/sid_visualization/README.md`

Relevant log output

Click here to see error details

====Building Segment Complete!====

Inference rate[    #     ] 152160 messages in 00m:26s, Throughput: 5852.31 messages/s

Gen-viz stage completed. Waiting for shutdown

Shutting down queue

Server shut down

Error occurred trying to send message over socket

Traceback (most recent call last):

File "/workspace/python/morpheus/morpheus/stages/postprocess/generate_viz_frames_stage.py", line 206, in client_connected

await websocket.send(next_buffer.to_pybytes())

File "/opt/conda/envs/morpheus/lib/python3.10/site-packages/websockets/legacy/protocol.py", line 620, in send

await self.ensure_open()

File "/opt/conda/envs/morpheus/lib/python3.10/site-packages/websockets/legacy/protocol.py", line 930, in ensure_open

raise self.connection_closed_exc()

websockets.exceptions.ConnectionClosedOK: sent 1001 (going away); then received 1001 (going away)

Disconnected from: 172.80.14.2:34640

Server shut down. Is queue empty: True

Gen-viz shutdown complete

====Pipeline Complete====

Full env printout

Click here to see environment details

[Paste the results of print_env.sh here, it will be hidden by default]

Other/Misc.

No response

Code of Conduct

• I agree to follow Morpheus' Code of Conduct
• I have searched the open bugs and have found no duplicates for this bug report