You observe intermittent failures when running conformance scans.
The failures show invalid requests being sent for the happy path scenario, where the requests are missing required data.
You notice "-d 'null'" in the cURL request.
Rerunning Conformance Scan sometimes appears to fix the issue.
This is a result of a minLength and maxLength parameters on your object conflicting with a pattern parameter.
When the minLength/maxLength values do not correspond with the string limits defined in the regex pattern, it’s possible for the scan algorithm to fail to find a valid sample data after a number of attempts. It may then default to using a null body.
For example, here there is a conflict between the minLength and maxLength values and the regex pattern. The pattern indicates a minimum length of 1 and maximum length of unlimited:
The recommended solution is to accurately tighten the regex pattern so that it does not conflict with the defined min and max lengths:
You can read more about this in the 42Crunch documentation: read more
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