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```class org.kotrix.vector.IntVector overrides fin...
# kotest
w
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class org.kotrix.vector.IntVector overrides final method remove.(Ljava/lang/Object;)Z
java.lang.VerifyError: class org.kotrix.vector.IntVector overrides final method remove.(Ljava/lang/Object;)Z
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at org.kotrix.vector.IntVectorTest$1$1.invokeSuspend(IntVectorTest.kt:12)
	at org.kotrix.vector.IntVectorTest$1$1.invoke(IntVectorTest.kt)
	at io.kotest.core.internal.ExecutionsKt$executeWithBehaviours$2$1.invokeSuspend(executions.kt:13)
	at io.kotest.core.internal.ExecutionsKt$executeWithBehaviours$2$1.invoke(executions.kt)
	at io.kotest.core.internal.ExecutionsKt.wrapTestWithGlobalAssert(executions.kt:39)
	at io.kotest.core.internal.ExecutionsKt$executeWithBehaviours$2.invokeSuspend(executions.kt:12)
	at io.kotest.core.internal.ExecutionsKt$executeWithBehaviours$2.invoke(executions.kt)
	at io.kotest.core.internal.ExecutionsKt$wrapTestWithAssertionModeCheck$2.invokeSuspend(executions.kt:25)
	at io.kotest.core.internal.ExecutionsKt$wrapTestWithAssertionModeCheck$2.invoke(executions.kt)
	at io.kotest.core.internal.AssertionsCheckKt.executeWithAssertionsCheck(assertionsCheck.kt:25)
	at io.kotest.core.internal.ExecutionsKt.wrapTestWithAssertionModeCheck(executions.kt:24)
	at io.kotest.core.internal.ExecutionsKt.executeWithBehaviours(executions.kt:11)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1$1$3$1.invokeSuspend(TestCaseExecutor.kt:207)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1$1$3$1.invoke(TestCaseExecutor.kt)
	at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturn(Undispatched.kt:91)
	at kotlinx.coroutines.CoroutineScopeKt.coroutineScope(CoroutineScope.kt:194)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1$1$3.invokeSuspend(TestCaseExecutor.kt:201)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1$1$3.invoke(TestCaseExecutor.kt)
	at io.kotest.mpp.ReplayKt.replay(replay.kt:18)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1$1.invokeSuspend(TestCaseExecutor.kt:196)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1$1.invoke(TestCaseExecutor.kt)
	at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturnIgnoreTimeout(Undispatched.kt:102)
	at kotlinx.coroutines.TimeoutKt.setupTimeout(Timeout.kt:120)
	at kotlinx.coroutines.TimeoutKt.withTimeout(Timeout.kt:37)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1.invokeSuspend(TestCaseExecutor.kt:195)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2$1.invoke(TestCaseExecutor.kt)
	at io.kotest.engine.ExecutorExecutionContext$executeWithTimeoutInterruption$$inlined$suspendCoroutine$lambda$2.invokeSuspend(ExecutorExecutionContext.kt:46)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:56)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:274)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:84)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:59)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(Builders.kt:38)
	at kotlinx.coroutines.BuildersKt.runBlocking$default(Unknown Source)
	at io.kotest.engine.ExecutorExecutionContext.executeWithTimeoutInterruption(ExecutorExecutionContext.kt:45)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2.invokeSuspend(TestCaseExecutor.kt:194)
	at io.kotest.core.internal.TestCaseExecutor$executeAndWait$2.invoke(TestCaseExecutor.kt)
	at kotlinx.coroutines.intrinsics.UndispatchedKt.startUndispatchedOrReturnIgnoreTimeout(Undispatched.kt:102)
	at kotlinx.coroutines.TimeoutKt.setupTimeout(Timeout.kt:120)
	at kotlinx.coroutines.TimeoutKt.withTimeout(Timeout.kt:37)
	at io.kotest.core.internal.TestCaseExecutor.executeAndWait(TestCaseExecutor.kt:192)
	at io.kotest.core.internal.TestCaseExecutor.invokeTestCase(TestCaseExecutor.kt:161)
	at io.kotest.core.internal.TestCaseExecutor.executeActiveTest(TestCaseExecutor.kt:130)
	at io.kotest.core.internal.TestCaseExecutor$intercept$2.invokeSuspend(TestCaseExecutor.kt:80)
	at io.kotest.core.internal.TestCaseExecutor$intercept$2.invoke(TestCaseExecutor.kt)
	at io.kotest.core.internal.TestCaseExecutor.executeIfActive(TestCaseExecutor.kt:94)
	at io.kotest.core.internal.TestCaseExecutor.intercept(TestCaseExecutor.kt:80)
	at io.kotest.core.internal.TestCaseExecutor.execute(TestCaseExecutor.kt:61)
	at io.kotest.engine.runners.SingleInstanceSpecRunner.runTest(SingleInstanceSpecRunner.kt:73)
	at io.kotest.engine.runners.SingleInstanceSpecRunner$execute$2$invokeSuspend$$inlined$invoke$lambda$1.invokeSuspend(SingleInstanceSpecRunner.kt:83)
	at io.kotest.engine.runners.SingleInstanceSpecRunner$execute$2$invokeSuspend$$inlined$invoke$lambda$1.invoke(SingleInstanceSpecRunner.kt)
	at io.kotest.engine.spec.SpecRunner$runParallel$$inlined$map$lambda$2$1.invokeSuspend(SpecRunner.kt:80)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:56)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:274)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:84)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:59)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(Builders.kt:38)
	at kotlinx.coroutines.BuildersKt.runBlocking$default(Unknown Source)
	at io.kotest.engine.spec.SpecRunner$runParallel$$inlined$map$lambda$2.run(SpecRunner.kt:79)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
t
can you share some code? from your description I could figure out
Copy code
interface VectorBase<T> { fun remove(obj: Any) }
open class Vector<T> : VectorBase<T> { override fun remove(obj: Any) {} }
abstract class NumberVector<T> : Vector<T>() { override fun remove(obj: Any) {} }
class IntVector : NumberVector<Int>() { }
but ofc this is not even close to your code, in fact I have a similar set up as you (kotlin and kotest versions) and I don’t get the error
w
i can provide a github link will that do?
s
Best to post snippets rather than 2 pages of stack trace
☝️ 1
w
oh sorry about that lol
s
🙂
I don't think this is anything to do with kotest. The JVM is complaining that your class is invalid.
Perhaps a version mismatch in one of your libraries
w
other than kotlinx.coroutines i dont have another library added to this project
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interface VectorBase<T>: Collection<T> where T: Any { fun remove(other: T): Boolean }
open class Vector<T>: VectorBase<T> where T: Any { override fun remove(other: T): Boolean }
abstract class NumberVector<T>: Vector<T> where T: Number {} 
class IntVector: NumberVector<Int> {}
thats a shortened version, neither NumberVector<T> or IntVector override the function they just upcall to Vectors...is that the issue?
i figured out my issue, had to rework my inheritance hierarchy, thanks for the help, and sorry about the stack trace post, i’ll post actual code next time
👍🏻 1
s
Stack trace is fine. When you have a lot, you can click the lightening symbol and do a snippet and it doesn't auto expand
w
oh thank you i didn’t know that!
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