Validation of a list of objects in Spring

Question

I have the following controller method:

@RequestMapping(value=\"/map/update\", method=RequestMethod.POST, produces = \"application/json; charset=utf-8\")
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Answer 1

Validating a collection does not work directly.

For example: what should it do if multiple elements fail the validation? Stop after first validation? Validate all (if so what is to be done with the collection of messages)?

If in your configuration Spring delegates to a Bean Validator provider like Hibernate Validator, you should look up for ways of implementing a collection validator there.

For Hibernate, a similar problem is discussed here