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Change default of DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES to false for 3.0 #4858

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cowtowncoder opened this issue Dec 18, 2024 · 0 comments
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Change default of DeserializationFeature.FAIL_ON_NULL_FOR_PRIMITIVES to false for 3.0 #4858

cowtowncoder opened this issue Dec 18, 2024 · 0 comments
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3.0 Issue planned for initial 3.0 release

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Describe your Issue

As of Jackson 2.x, DeserializationFeature. FAIL_ON_NULL_FOR_PRIMITIVES defaults to false, allowing coercion from JSON null into Java int, long and so on.
For some users -- and especially on "low null" languages like Kotlin -- such coercion is rarely expected, so suggestion was made to change the default.

No decision is yet made: discussion for helping decision is here:

FasterXML/jackson-future-ideas#79

this issue is placeholder until decision is made.
@cowtowncoder cowtowncoder added to-evaluate Issue that has been received but not yet evaluated 3.0 Issue planned for initial 3.0 release and removed to-evaluate Issue that has been received but not yet evaluated labels Dec 18, 2024
@cowtowncoder cowtowncoder mentioned this issue Dec 18, 2024
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