Trouble with Prefect crashes
1 post from 1 person1d activeFading, +0 this weekunverified
Posts per day
The posts behind it
`Flow.serialize_parameters` crashes on errors other than `TypeError`/`ValueError`/`RecursionError` from `jsonable_encoder`
### Bug summary `Flow.serialize_parameters` falls back to the `" "` placeholder only for `TypeError`, `ValueError` and `RecursionError`. `jsonable_encoder` deep-copies dataclasses, so any other exception raised by a parameter's `__reduce__` escapes, and the flow run fails before...
Companies and products named
About this problem
Evidence
1 post from 1 person in 1 place. Mostly on PrefectHQ/prefect.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts about Prefect with no known issue, sharing the word "crashes". First post Oct 27, 2026, latest Oct 27, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
Other Prefect problems
Prefect users keep filing bugs
Top post: "V2 UI feedback: Bug or incorrect behavior", one of 24 posts from 19 people on GitHub issues.
Prefect upgrades break working setups
17 posts from 16 people on GitHub issues.
Trouble with Prefect flow
Top post: "Flow run graph polls graph-v2 every second for the whole run, rebuilding the full graph each time", one of 16 posts from 12 people on GitHub issues.
Trouble with Prefect deployment
Top post: "Worker crashes when reading the deployment fails with a non-404 error before submitting a run", one of 3 posts from 3 people on GitHub issues.
Prefect rate limits and usage caps block work
3 posts from 3 people on GitHub issues.
Prefect lock-in makes switching costly
2 posts from 2 people on GitHub issues. Unverified.
Trouble with Prefect missing
Top post: "V2 UI feedback: Missing feature - Filter by tags search box", one of 2 posts from 2 people on GitHub issues. Unverified.
Trouble with Prefect list
One post on GitHub issues: "hash_objects erases tuple/list and int/str-key distinctions, so task_input_hash serves stale cached results". Unverified.
Trouble with Prefect deployments
One post on GitHub issues: "(ui-v2) Quick Run from deployments list navigates away when selecting from enum dropdown". Unverified.
History