Kotin class java.lang.ClassNotFoundException

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#84 opened on Jul 5, 2020 5 comments 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 25/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Stale
Tech stack: java, kotlin
Domain: build-system

Research direction

Reproduce the Kotlin Gradle example and inspect Main.kt at line 10, where Mappers.getMapper fails to find PersonConverter. Check the generated PersonConverter implementation and runtime classpath, then verify that the example starts without ClassNotFoundException.

Written by the indexing model from the issue text.

Description

I built example project Kotlin Gradle but it showed error "class not found exception"


Exception in thread "main" java.lang.RuntimeException: java.lang.ClassNotFoundException: Cannot find implementation for org.mapstruct.example.kotlin.converter.PersonConverter
	at org.mapstruct.factory.Mappers.getMapper(Mappers.java:61)
	at org.mapstruct.example.kotlin.MainKt.main(Main.kt:10)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at com.intellij.rt.execution.application.AppMainV2.main(AppMainV2.java:131)
Caused by: java.lang.ClassNotFoundException: Cannot find implementation for org.mapstruct.example.kotlin.converter.PersonConverter
	at org.mapstruct.factory.Mappers.getMapper(Mappers.java:75)
	at org.mapstruct.factory.Mappers.getMapper(Mappers.java:58)
	... 6 more

Dominant language: Java
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