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Commitf205e2c

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minor#19121 hint for mapping request payload error messages (dbu)
This PR was merged into the 6.3 branch.Discussion----------hint for mapping request payload error messagesThe information is particularly important in the context of the `MapRequestPayload` but technically not related. It is about the behaviour of the symfony error handler. If there is more documentation about the error handler and output formats, i am happy to link to that if you point me to the right place.I think it is valuable to mention this here though, as it will happen when using the feature. I almost gave up and set up some custom exception listener or whatnot to output json. Stackoverflow is full of answers proposing those to output errors as JSON.Commits-------600b3b1 hint for mapping request payload error messages
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‎controller.rst

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@@ -502,6 +502,14 @@ payload formats::
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..tip::
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If you build a JSON API, make sure to declare your route as using the JSON
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:ref:`format<routing-format-parameter>`. This will make the error handling
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output a JSON response in case of validation errors, rather than an HTML page::
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#[Route('/dashboard', name: 'dashboard', format: 'json')]
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Make sure to install `phpstan/phpdoc-parser`_ and `phpdocumentor/type-resolver`_
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if you want to map a nested array of specific DTOs::
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