inappropriate status code when failed to evaluate alert queries

[MingjieZhuEmily]

What happened?

500 is returned when Failed to evaluate queries and expressions: failed to execute query A: no handler found for query type ''

What did you expect to happen?

this is not server error, returning 500 is inappropriate

Did this work before?

no

How do we reproduce it?

1. add a new alert with query that could produce error no handler found for query type
2. let alert run

Is the bug inside a dashboard panel?

No response

Environment (with versions)?

Grafana:
OS:
Browser:

Grafana platform?

None

Datasource(s)?

No response

[tonypowa]

hi @MingjieZhuEmily
thank you for creating this issue

can you elaborate on the steps to reproduce the issue ("no handler found for query type") ? thank you

[MingjieZhuEmily]

It is the error message when executing a bad query

[tonypowa]

Hi @MingjieZhuEmily
Thank you for the screenshot
However, I can't reproduce the same error code using the same data source and in the context of an alert rule configuration.
What is the version of your Grafana instance, and on what platform is it running (docker, binary, cloud, etc) ?
Do you see any relevant Grafana server logs?

[MingjieZhuEmily]

Now I'm using v10.4.1 and I retried. This issue looks like gone, eval returns 200 though ui shows [sse.dataQueryError] failed to execute query.

[tonypowa]

Perhaps this is a data source related issue despite it happens in Alerting
Could you share the server logs related to the sse.dataQueryError ?