hey everyone! thanks for having this community! i recently upgraded from prefect 2021.11.30 to 2022...

Christian Nuss

03/02/2022, 1:19 AM

hey everyone! thanks for having this community! i recently upgraded from prefect 2021.11.30 to 2022.01.25, and when i run

prefect get flow-runs -s

i get:

Copy code

prefect.exceptions.ClientError: [{'message': 'unexpected null value for type "String"', 'locations': [{'line': 2, 'column': 5}], 'path': ['flow_run'], 'extensions': {'path': '$.selectionSet.flow_run.args.where._and[0].flow._and[0].project.name._eq', 'code': 'validation-failed', 'exception': {'message': 'unexpected null value for type "String"'}}}]

any tips on how to get around this? i do believe that

prefect-server database upgrade

was run post-upgrade

Kevin Kho

03/02/2022, 1:39 AM

Yeah I think your gut is right that is looks like the database didn’t upgrade. I would try to upgrade from the GraphQL pod or container.

Zanie

03/02/2022, 4:02 AM

I think that error is from the change in null behavior from Hasura v1 -> 2

Zanie

03/02/2022, 4:04 AM

We retain the old behavior in v2 by setting an environment variable. It seems like perhaps your image upgraded but the environment did not? https://github.com/PrefectHQ/server/pull/328/files#diff-dba09b37045dcad023247e6d17483c5e77aff6c8bea4f51d225279fe79b1e6c3R27 I could be misinterpreting the error though.

Christian Nuss

03/02/2022, 4:58 AM

that sounds like the problem, thanks! I'll try and report back what I find!

Christian Nuss

03/02/2022, 4:52 PM

confirmed and fixed! thanks for your input @Zanie and @Kevin Kho

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