Can you please show the full stack trace? There should be.a nested exception with the actual problem.
On 2. May 2023, at 09:30, 'George Pandian' via JaCoCo and EclEmma Users <jacoco@googlegroups.com> wrote:
Is this a known issue ? I see a quiet similar error being reported here.
Any help deeply appreciated please.
Use case:
I find this noise with jacoco and it errors in my Unit Test. Step 1: In my HomeFeedViewModel class, I do a mapping between objects in my ModelMappers kotlin file,
Step 2: DM (Domain Model) -> UIM(UIModel) sealed class MyFeedUIM data class MyHeader(val title:String):MyFeedUIM()
Error while running my Unit Test IllegalClassFormatException.
java.lang.instrument.IllegalClassFormatException: Error while instrumenting sample/viewmodel/home/feed/ModelMappersKt with JaCoCo 0.8.8.202204050719/5dcf34a.
at org.jacoco.agent.rt.internal_b6258fc.CoverageTransformer.transform(CoverageTransformer.java:94)
at java.instrument/java.lang.instrument.ClassFileTransformer.transform(Unknown Source)
at java.instrument/sun.instrument.TransformerManager.transform(Unknown Source)
at java.instrument/sun.instrument.InstrumentationImpl.transform(Unknown Source)
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(Unknown Source)
at java.base/java.security.SecureClassLoader.defineClass(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(Unknown Source)
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(Unknown Source)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(Unknown Source)
at java.base/java.lang.ClassLoader.loadClass(Unknown Source)
at sample.viewmodel.home.feed.HomeFeedViewModel$loadHomeFeed$2.invokeSuspend(HomeFeedViewModel.kt:28)
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