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Description
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- I searched in the issues and found nothing similar.
- I have confirmed that the same problem is not reproduced if I exclude the KotlinModule.
- I searched in the issues of databind and other modules used and found nothing similar.
- I have confirmed that the problem does not reproduce in Java and only occurs when using Kotlin and KotlinModule.
Describe the bug
I have many data classes with a single argument constructor that was used for deserialization previous to 2.18.x. Now it is used only if I add a @JsonCreator annotation explicitly.
To Reproduce
The following test fails since Jackson 2.18.x, but worked with 2.17.x:
class VersionJsonTest {
@Test
fun `should deserialize`() {
val objectMapper = ObjectMapper().registerModule(KotlinModule.Builder().build())
assertThat(objectMapper.readValue("\"1.0.0\"", Version::class.java)).isNotNull
}
data class Version(private val value: String)
}Expected behavior
Deserialization should still work after a minor upgrade.
Versions
Kotlin: 1.9.25
Jackson-module-kotlin: 2.18.1-2.18.3
Jackson-databind: 2.18.1-2.18.3
Additional context
No response