Improve unknown annotation trait errors#644
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When an annotation trait isn't defined in the model but SPI can be found for it, the error message is about providing a null value for an AnnotationTrait when an object is expected, and that's confusing. This change addresses this by assuming that an unknown annotation trait is an object since that is the most common case (and because annotation traits can never be null). This doesn't end up resulting in a clean model validation result, but it gives better error messages about the trait not being defined.
kstich
approved these changes
Dec 1, 2020
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When an annotation trait isn't defined in the model but SPI can be found
for it, the error message is about providing a null value for an
AnnotationTrait when an object is expected, and that's confusing. This
change addresses this by assuming that an unknown annotation trait is an
object since that is the most common case (and because annotation traits can
never be null). This doesn't end up resulting in a clean model validation
result, but it gives better error messages about the trait not being defined.
Issue #, if available:
Description of changes:
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.