`NoSuchMethodError` for `com.fasterxml.jackson.module.kotlin.jacksonObjectMapper` after upgrading to 2.17.0

[erdi]

Search before asking

• [X] I searched in the issues and found nothing similar.
• [ ] I searched in the issues of databind and other modules used and found nothing similar.
• [ ] I have confirmed that the problem only occurs when using Kotlin.

Describe the bug

Calling jacksonObjectMapper() after importing com.fasterxml.jackson.module.kotlin.jacksonObjectMapper after upgrading to 2.17.0 throws

Caused by: java.lang.NoSuchMethodError: 'com.fasterxml.jackson.databind.ObjectMapper com.fasterxml.jackson.module.kotlin.ExtensionsKt.jacksonObjectMapper$default(kotlin.jvm.functions.Function1, int, java.lang.Object)'

I believe that's related to https://github.com/FasterXML/jackson-module-kotlin/commit/0dbe80282dba1c99dbe1ab22981641bea2969148. By the looks of things there's @JvmOverloads and the new arg is defaulted so this should just work, shouldn't it?

FWIW, I've also tried jacksonObjectMapper {} but got

Caused by: java.lang.NoSuchMethodError: 'com.fasterxml.jackson.databind.ObjectMapper com.fasterxml.jackson.module.kotlin.ExtensionsKt.jacksonObjectMapper(kotlin.jvm.functions.Function1)'

To Reproduce

jacksonObjectMapper()

Expected behavior

No response

Versions

Kotlin: 1.9.20 Jackson-module-kotlin: 2.17.0 Jackson-databind: 2.17.0

Additional context

Not sure if that matters at all but the method in question is called from a field initializer in a companion object of a Gradle plugin implemented in kotlin.

[erdi]

FYI, ObjectMapper().registerModule(kotlinModule()) where kotlinModule is imported as com.fasterxml.jackson.module.kotlin.kotlinModule seems to work. kotlinModule does not carry @JvmOverloads so maybe that's related?

[k163377]

From the error message, it looks like you are running code compiled with 2.17 on a version less than 2.17. Can you confirm which version is being used at runtime? Or more information is needed.

[Dogacel]

I am having the same issue, I am almost certain our runtime versions are up-to-date and 2.17.

[k163377]

Please attach reproducible code.

Also, please check the com.fasterxml.jackson.module.kotlin.PackageVersion at runtime. As mentioned above, the version of KotlinModule may have been overwritten at runtime. If not, you should get 2.17.x.

[Dogacel]

Sorry I can't because it is company code.

However, I figured it out. Turns out my dependency tree was different in runtime and compile time somehow. The reason why I never realized this is that spring gradle plugin enforces a certain version of kotlin and it basically overrides everything that you specify in dependencies block. The only solution is to add the following,

configurations.all {
  resolutionStrategy.eachDependency { details ->
    if (details.requested.group.startsWith("com.fasterxml.jackson")) {
      details.useVersion("2.17.0")
    }
  }
}

[k163377]

Thanks for the verification. Anyway, it seems that there is no problem with jackson-module-kotlin, so this issue is closed.

[cowtowncoder]

And fwtw, Jackson 2.17.1 was just released today. Probably won't change behavior here but just in case, upgrade strongly recommended (from 2.17.0).

[be-hase]

@k163377 Did jackson intentionally make the compatibility loss from version 2.17?

Spring boot users often tend to use BOM to fix version. (using dependency-management-plugin, gradle constraints, etc...)

The latest spring boot BOM is still jackson 2.15.4, so I think there are many cases in the JVM community where code compiled with 2.17.x is used in older jackson environments.

If there is a reason for the loss of compatibility, we should accept, but if the loss of compatibility is unintentional?

The reproduction code is available here. https://github.com/be-hase/jackson-issue-202405

[k163377]

@be-hase I was mistaken on this issue. I assumed that Kotlin would prioritise the use of non-default functions, but unfortunately this is not the case. https://youtrack.jetbrains.com/issue/KT-17300

As you say, this was unintentionally breaking compatibility.

I will look into fixing this over the weekend if possible.

[be-hase]

Thanks.

I did a little research and it doesn't look like there is a good way to do it... The only way might be to write the overload by hand.

https://medium.com/@yi.lu_55329/is-kotlin-default-arguments-a-solution-of-binary-backward-compatibility-374d2c9214d4

[k163377]

This will be fixed in the next release.

[be-hase]

thanks :)