IllegalAccessError cannot access its superinterface java.net.InetAddressImpl

[Serghei Zadorojnai]

Hello,

I'm getting below error when trying to use EqualsVerifier on a class which has a java.net.Inet4Address member. Works fine for java.net.InetAddress.

Java version 1.8.0_152

java.lang.AssertionError: IllegalStateException: Error invoking java.lang.ClassLoader#defineClass
For more information, go to: http://www.jqno.nl/equalsverifier/errormessages
    at nl.jqno.equalsverifier.EqualsVerifier.handleError(EqualsVerifier.java:375)
    at nl.jqno.equalsverifier.EqualsVerifier.verify(EqualsVerifier.java:364)
    at de.plath.icas.driver.backend.hdu.driver.io.model.HduChannelTest.equalsContract(HduChannelTest.java:11)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
    at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
    at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
    at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
    at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
    at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:538)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:760)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:460)
    at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:206)
Caused by: java.lang.IllegalStateException: Error invoking java.lang.ClassLoader#defineClass
    at nl.jqno.equalsverifier.internal.lib.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$Direct.defineClass(ClassInjector.java:519)
    at nl.jqno.equalsverifier.internal.lib.bytebuddy.dynamic.loading.ClassInjector$UsingReflection.inject(ClassInjector.java:184)
    at nl.jqno.equalsverifier.internal.lib.bytebuddy.dynamic.loading.ClassLoadingStrategy$Default$InjectionDispatcher.load(ClassLoadingStrategy.java:205)
    at nl.jqno.equalsverifier.internal.lib.bytebuddy.dynamic.TypeResolutionStrategy$Passive.initialize(TypeResolutionStrategy.java:79)
    at nl.jqno.equalsverifier.internal.lib.bytebuddy.dynamic.DynamicType$Default$Unloaded.load(DynamicType.java:4247)
    at nl.jqno.equalsverifier.internal.reflection.Instantiator.giveDynamicSubclass(Instantiator.java:95)
    at nl.jqno.equalsverifier.internal.reflection.Instantiator.of(Instantiator.java:48)
    at nl.jqno.equalsverifier.internal.reflection.ClassAccessor.buildObjectAccessor(ClassAccessor.java:335)
    at nl.jqno.equalsverifier.internal.reflection.ClassAccessor.getRedAccessor(ClassAccessor.java:264)
    at nl.jqno.equalsverifier.internal.reflection.ClassAccessor.getRedObject(ClassAccessor.java:252)
    at nl.jqno.equalsverifier.internal.prefabvalues.factories.FallbackFactory.giveInstances(FallbackFactory.java:85)
    at nl.jqno.equalsverifier.internal.prefabvalues.factories.FallbackFactory.createValues(FallbackFactory.java:38)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.createTuple(PrefabValues.java:182)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.realizeCacheFor(PrefabValues.java:165)
    at nl.jqno.equalsverifier.internal.prefabvalues.factories.FallbackFactory.traverseFields(FallbackFactory.java:78)
    at nl.jqno.equalsverifier.internal.prefabvalues.factories.FallbackFactory.createValues(FallbackFactory.java:37)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.createTuple(PrefabValues.java:182)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.realizeCacheFor(PrefabValues.java:165)
    at nl.jqno.equalsverifier.internal.prefabvalues.factories.FallbackFactory.traverseFields(FallbackFactory.java:78)
    at nl.jqno.equalsverifier.internal.prefabvalues.factories.FallbackFactory.createValues(FallbackFactory.java:37)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.createTuple(PrefabValues.java:182)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.realizeCacheFor(PrefabValues.java:165)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.giveTuple(PrefabValues.java:110)
    at nl.jqno.equalsverifier.internal.prefabvalues.PrefabValues.giveRed(PrefabValues.java:74)
    at nl.jqno.equalsverifier.internal.checkers.AbstractDelegationChecker.check(AbstractDelegationChecker.java:38)
    at nl.jqno.equalsverifier.EqualsVerifier.verifyWithoutExamples(EqualsVerifier.java:399)
    at nl.jqno.equalsverifier.EqualsVerifier.performVerification(EqualsVerifier.java:385)
    at nl.jqno.equalsverifier.EqualsVerifier.verify(EqualsVerifier.java:358)
    ... 24 more
Caused by: java.lang.IllegalAccessError: class nl.jqno.equalsverifier.internal.reflection.InetAddressImpl$$DynamicSubclass$2100961961 cannot access its superinterface java.net.InetAddressImpl
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at nl.jqno.equalsverifier.internal.lib.bytebuddy.dynamic.loading.ClassInjector$UsingReflection$Dispatcher$Direct.defineClass(ClassInjector.java:515)
    ... 51 more

[Jan Ouwens]

Hi!

Thanks for letting me know. I'll release a fix for this soon.

In the mean time, you can add a `withPrefabValues` line for `Inet6Address` as a workaround.

Cheers,

Jan

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[Jan Ouwens]

Hi Serghei,

As you may have seen, I've just released a fix for this: version 2.5.2.

Jan

[Serghei Zadorojnai]

Hello Jan,

Thanks! Works fine now without `withPrefabValues` for Inet4Address.

Cheers!

[Jan Ouwens]

Glad to hear it! Thanks for letting me know.

Jan