Alireza
08/14/2024, 10:41 AMTraceback (most recent call last):
.../deploy_flow.py", line 107, in <module>
deploy_flow(
File "/Users/alireza/data-platform-wt/dev/dataflowops/deploy_flow.py", line 69, in deploy_flow
Flow.from_source(
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/utilities/asyncutils.py", line 311, in coroutine_wrapper
return call()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 421, in __call__
coro = self.run()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 308, in run
return self.context.run(asyncio.run, self._run_async(coro))
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete
self.run_forever()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 603, in run_forever
self._run_once()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 1868, in _run_once
event_list = self._selector.select(timeout)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/selectors.py", line 562, in select
kev_list = self._selector.control(None, max_ev, timeout)
KeyboardInterrupt
Marvin
08/14/2024, 10:41 AMI’m getting timeout error, trying to add schedule params to the deploy method of the Flow instance:```Traceback (most recent call last): .../deploy_flow.py", line 107, in <module> deploy_flow( File "/Users/alireza/data-platform-wt/dev/dataflowops/deploy_flow.py", line 69, in deploy_flow Flow.from_source( File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/utilities/asyncutils.py", line 311, in coroutine_wrapper return call() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 421, in call coro = self.run() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 308, in run return self.context.run(asyncio.run, self._run_async(coro)) File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run return loop.run_until_complete(main) File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.
Alireza
08/14/2024, 10:41 AMTraceback (most recent call last):
Flow.from_source(
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/utilities/asyncutils.py", line 311, in coroutine_wrapper
return call()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 421, in __call__
coro = self.run()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 308, in run
return self.context.run(asyncio.run, self._run_async(coro))
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete
self.run_forever()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 603, in run_forever
self._run_once()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 1868, in _run_once
event_list = self._selector.select(timeout)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/selectors.py", line 562, in select
kev_list = self._selector.control(None, max_ev, timeout)
KeyboardInterrupt
Marvin
08/14/2024, 10:41 AM@ I’m getting timeout error, trying to add schedule params to the deploy method of the Flow instance:```Traceback (most recent call last): Flow.from_source( File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/utilities/asyncutils.py", line 311, in coroutine_wrapper return call() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 421, in call coro = self.run() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 308, in run return self.context.run(asyncio.run, self._run_async(coro)) File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run return loop.run_until_complete(main) File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete self.run_forever() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events
Alireza
08/14/2024, 10:42 AMFlow.from_source(
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/utilities/asyncutils.py", line 311, in coroutine_wrapper
return call()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 421, in __call__
coro = self.run()
File ..."/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete
self.run_forever()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 603, in run_forever
self._run_once()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 1868, in _run_once
event_list = self._selector.select(timeout)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/selectors.py", line 562, in select
kev_list = self._selector.control(None, max_ev, timeout)
Marvin
08/14/2024, 10:42 AMI’m getting timeout error, trying to add schedule params to the deploy method of the Flow instance:``` Flow.from_source( File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/utilities/asyncutils.py", line 311, in coroutine_wrapper return call() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/prefect/_internal/concurrency/calls.py", line 421, in call coro = self.run() File ..."/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run return loop.run_until_complete(main) File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete self.run_forever() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 603, in run_forever self._run_once() File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 1868, in _run_once event_list = self._selector.select(timeout)
Alireza
08/14/2024, 10:43 AM"/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 636, in run_until_complete
self.run_forever()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 603, in run_forever
self._run_once()
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/asyncio/base_events.py", line 1868, in _run_once
event_list = self._selector.select(timeout)
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/selectors.py", line 562, in select
kev_list = self._selector.control(None, max_ev, timeout)
KeyboardInterrupt
Marvin
08/14/2024, 10:43 AMdeploy
method of a Flow
instance in Prefect:
1. Prefect Documentation Insight:
- Deployments can be triggered or scheduled using different values through parameters. Prefect uses async scheduling which means runs can be scheduled at any time regardless of the deployment's state.
- Link: https://docs.prefect.io/latest/concepts/deployments/
2. Related GitHub Issues:
- Hang and Crash with Large Number of Tasks: One issue (#12877) indicates that a large number of tasks can cause scheduling to hang and eventually timeout. This might be due to resource limitations or configuration issues.
- Compatibility Errors in Versions: Another issue (#14116) noted potential compatibility problems between different versions of Prefect clients and servers which might result in unexpected errors including timeouts.
### Recommendations:
1. Check Resource Limits: Ensure that your system and Prefect server have adequate resources to handle the scheduled tasks.
2. Version Compatibility: Ensure that you are using compatible versions of Prefect client and server. Mismatched versions might lead to unprocessable entity errors or timeouts.
3. Optimize Task Scheduling: Try breaking down the flow or reducing the number of tasks to see if it mitigates the issue.
For a tailored solution, consider sharing more details about your specific flow and environment configuration if the problem persists.Alireza
08/14/2024, 10:51 AM"/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/json/decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/json/decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
Marvin
08/14/2024, 10:52 AMdeploy
method of a Flow
instance seems uncommon. However, I deduced the following from the documentation and GitHub:
1. Deployment and Scheduling Overview: Schedules can be added through various methods including the Prefect UI, the flow.deploy
method, the prefect deploy
command, or through the prefect.yaml
file.
Refer to the Prefect Schedules documentation: https://docs.prefect.io/latest/concepts/schedules/
2. Error Context:
- JSON decoding issues typically imply a problem with the data being parsed. This could be due to malformed JSON or a mismatch between expected and provided data structures.
- If the JSON data is configured correctly, yet you still encounter this error, it could indicate deeper issues like an incorrect API endpoint or incompatibility between client and server versions.
### Recommendations:
1. Validate JSON Data: Ensure that all parameters passed within the schedule are valid JSON objects. Use tools like JSONLint to validate your JSON data.
2. Check Prefect Versions: Ensure consistency in Prefect client and server versions.
3. Refer Official Documentation:
- Deploying Flows: https://docs.prefect.io/latest/guides/prefect-deploy/
- Creating Schedules: https://docs.prefect.io/latest/concepts/schedules/
If the problem persists, further details about your JSON data and environment would help narrow down the issue.Alireza
08/14/2024, 11:01 AMMarvin
08/14/2024, 11:01 AM/version
endpoint if your credentials and permissions allow it.
For more specific instructions, you would need to refer to the Prefect documentation:
- Client compatibility with Cloud: https://docs.prefect.io/latest/contributing/versioning/
- Hosting a Prefect Server: https://docs.prefect.io/latest/guides/host/
If you continue to encounter issues, you may need to reach out to Prefect support for more direct assistance.