Custom ValidationException RFC
#4272
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aajtodd
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Aug 21, 2025
| Currently, if there is a constrained shape in the input shape closure of an operation, the operation **must** add `smithy.framework#ValidationException` to the operation's error list, otherwise a build error is raised: | ||
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| ``` | ||
| Caused by: ValidationResult(shouldAbort=true, messages=[LogMessage(level=SEVERE, message=Operation com.aws.example#GetStorage takes in input that is constrained (https://smithy.io/2.0/spec/constraint-traits.html), and as such can fail with a validation exception. You must model this behavior in the operation shape in your model file. |
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if this comes from smithy how are you disabling or getting around this validation? Also this seems like something we'd want to upstream to smithy anyway right?
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No, we do this as part of the server code here:
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Motivation and Context
Add an RFC to support custom
ValidationException. This will allow server developers to use a custom structure Smithy shape as aValidationException.By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.