Platform should validate an entered cron expression to align frontend and backend error handling

[hongbo-miao]

Topic

airbyte-webapp

Relevant information

Currently 0 0 15 * * 1 shows valid in the UI, but it is not.
The good thing is when you click "save changes", it shows invalid.

The correct one is 0 0 15 ? * 1.

It will be great to let the UI shows invalid for 0 0 15 * * 1 as well. 😃

https://www.javainuse.com/cron is good resource to validate whether it is actually valid.

You can see 0 0 15 * * 1 is invalid:

You can see 0 0 15 ? * 1 is invalid:

[nataliekwong]

The frontend sees this as valid but the backend does not. One solution would be to create a backend endpoint that validates the cron, and only show the preview if the validation passes.

Internal issue with additional user feedback: https://github.com/airbytehq/airbyte-internal-issues/issues/5069