hi, has anyone successfully deployed a `.serve` de...
# ask-communitya
Amith M
08/09/2025, 5:50 AMhi, has anyone successfully deployed a
.serveAmith M
08/09/2025, 5:51 AM Copy code
2025-08-09 11:16:23.724 IST
05:46:23.624 | DEBUG | prefect.utilities.services.critical_service_loop - Starting run of '_get_and_submit_flow_runs'
2025-08-09 11:16:24.124 IST
05:46:23.825 | DEBUG | prefect.runner - Querying for flow runs scheduled before 2025-08-09 05:46:33.825421+00:00
2025-08-09 11:16:29.425 IST
05:46:28.724 | DEBUG | prefect.runner - Discovered 1 scheduled_flow_runs
2025-08-09 11:16:30.362 IST
05:46:29.624 | DEBUG | prefect.runner - Limit slot acquired for flow run '06896e0a-c2e0-763c-8000-49de11cfeac9'
2025-08-09 11:16:31.925 IST
05:46:30.362 | INFO | prefect.flow_runs.runner - Runner 'runner-bdc947cf-443d-4a8c-ae83-09e78c3fd564' submitting flow run '06896e0a-c2e0-763c-8000-49de11cfeac9'
2025-08-09 11:16:40.224 IST
05:46:38.724 | INFO | prefect.flow_runs.runner - Opening process...
2025-08-09 11:17:20.124 IST
05:47:17.826 | DEBUG | prefect.utilities.services.critical_service_loop - Starting run of '_get_and_submit_flow_runs'
2025-08-09 11:17:21.024 IST
05:47:20.125 | DEBUG | prefect.runner - Querying for flow runs scheduled before 2025-08-09 05:47:30.124994+00:00
2025-08-09 11:17:22.625 IST
05:47:22.624 | DEBUG | prefect.events.clients - Connection closed with 3/10 attempts
2025-08-09 11:17:24.824 IST
05:47:23.724 | DEBUG | prefect.events.clients - Reconnecting...
2025-08-09 11:17:27.825 IST
05:47:27.124 | INFO | prefect.flow_runs.runner - Completed submission of flow run '06896e0a-c2e0-763c-8000-49de11cfeac9'
2025-08-09 11:17:52.525 IST
05:47:40.024 | DEBUG | prefect.client - Encountered retryable exception during request. Another attempt will be made in 1.9134020393203932s. This is attempt 1/6.
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Traceback (most recent call last): File "/opt/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 101, in map_httpcore_exceptions yield File "/opt/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 394, in handle_async_request resp = await self._pool.handle_async_request(req)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/connection_pool.py", line 256, in handle_async_request
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raise exc from None
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/connection_pool.py", line 236, in handle_async_request
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response = await connection.handle_async_request(
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/connection.py", line 103, in handle_async_request
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return await self._connection.handle_async_request(request)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 136, in handle_async_request
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raise exc
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 106, in handle_async_request
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) = await self._receive_response_headers(**kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 177, in _receive_response_headers
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event = await self._receive_event(timeout=timeout)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpcore/_async/http11.py", line 231, in _receive_event
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raise RemoteProtocolError(msg)
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httpcore.RemoteProtocolError: Server disconnected without sending a response.
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The above exception was the direct cause of the following exception:
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Traceback (most recent call last): File "/opt/venv/lib/python3.12/site-packages/prefect/client/base.py", line 268, in _send_with_retry response = await send(request, *send_args, **send_kwargs)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpx/_client.py", line 1629, in send
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response = await self._send_handling_auth(
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpx/_client.py", line 1657, in _send_handling_auth
response = await self._send_handling_redirects(
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpx/_client.py", line 1694, in _send_handling_redirects
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response = await self._send_single_request(request)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpx/_client.py", line 1730, in _send_single_request
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response = await transport.handle_async_request(request)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/opt/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 393, in handle_async_request
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with map_httpcore_exceptions():
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^^^^^^^^^^^^^^^^^^^^^^^^^
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File "/usr/local/lib/python3.12/contextlib.py", line 158, in __exit__
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self.gen.throw(value)
File "/opt/venv/lib/python3.12/site-packages/httpx/_transports/default.py", line 118, in map_httpcore_exceptions
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raise mapped_exc(message) from exc
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httpx.RemoteProtocolError: Server disconnected without sending a response.
2025-08-09 11:18:06.924 IST
05:48:06.124 | DEBUG | prefect.runner - Discovered 0 scheduled_flow_runs
2025-08-09 11:18:22.225 IST
05:48:20.925 | DEBUG | prefect.runner - Querying for flow runs scheduled before 2025-08-09 05:48:30.524753+00:00
2025-08-09 11:18:24.524 IST
05:48:24.425 | DEBUG | prefect.runner - Discovered 0 scheduled_flow_runs
2025-08-09 11:18:35.124 IST
05:48:34.624 | DEBUG | prefect.utilities.services.critical_service_loop - Starting run of '_get_and_submit_flow_runs'
2025-08-09 11:18:37.125 IST
05:48:35.424 | DEBUG | prefect.runner - Querying for flow runs scheduled before 2025-08-09 05:48:45.125197+00:00
2025-08-09 11:18:41.524 IST
05:48:41.226 | DEBUG | prefect.runner - Discovered 0 scheduled_flow_runsn
Nate
08/09/2025, 7:41 PMthis looks like some networking issue to me
Nate
08/09/2025, 7:41 PMnot sure though
b
Brendan Dalpe
08/11/2025, 1:24 PMprefect.events.clients - Connection closed with 3/10 attempts
httpx.RemoteProtocolError: Server disconnected without sending a responseAgree with Nate. Do you have some kind of security tools between your GCP resource and the Internet? Looks like something is actively closing the connection. It's not "timing out" which would usually indicate there is a a different issue with lack of connectivity.
a
Amith M
08/11/2025, 5:49 PMits bare bones, no config, but lemme see if anythings preventing it. It loads and submits the jobs, so connection is not the problem i assume
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