java.lang.IllegalArgumentException: No serializer found for class java.lang.Object and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS)
	at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:4449)
	at com.fasterxml.jackson.databind.ObjectMapper.convertValue(ObjectMapper.java:4400)
	at com.navercorp.fixturemonkey.jackson.introspector.JacksonArrayArbitraryIntrospector.lambda$introspect$0(JacksonArrayArbitraryIntrospector.java:76)
	at com.navercorp.fixturemonkey.jackson.introspector.JacksonCombinableArbitrary.combined(JacksonCombinableArbitrary.java:50)
	at com.navercorp.fixturemonkey.api.arbitrary.NullInjectCombinableArbitrary.combined(NullInjectCombinableArbitrary.java:46)
	at com.navercorp.fixturemonkey.api.arbitrary.TraceableCombinableArbitrary.combined(TraceableCombinableArbitrary.java:42)
	at com.navercorp.fixturemonkey.api.arbitrary.FilteredCombinableArbitrary.combined(FilteredCombinableArbitrary.java:73)
	at com.navercorp.fixturemonkey.resolver.ResolvedCombinableArbitrary.combined(ResolvedCombinableArbitrary.java:77)
	at com.navercorp.fixturemonkey.resolver.DefaultArbitraryBuilder.sample(DefaultArbitraryBuilder.java:489)
	at com.navercorp.fixturemonkey.test.FixtureMonkeyJacksonTest.sampleGenericArray(FixtureMonkeyJacksonTest.java:123)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:727)
	at org.junit.platform.commons.support.ReflectionSupport.invokeMethod(ReflectionSupport.java:198)
	at net.jqwik.engine.execution.CheckedPropertyFactory.lambda$createRawFunction$1(CheckedPropertyFactory.java:84)
	at net.jqwik.engine.execution.CheckedPropertyFactory.lambda$createRawFunction$2(CheckedPropertyFactory.java:91)
	at net.jqwik.engine.properties.CheckedFunction.execute(CheckedFunction.java:17)
	at net.jqwik.api.lifecycle.AroundTryHook.lambda$static$0(AroundTryHook.java:57)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$2(HookSupport.java:48)
	at net.jqwik.engine.hooks.lifecycle.TryLifecycleMethodsHook.aroundTry(TryLifecycleMethodsHook.java:57)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$3(HookSupport.java:53)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$2(HookSupport.java:48)
	at net.jqwik.engine.hooks.lifecycle.BeforeTryMembersHook.aroundTry(BeforeTryMembersHook.java:69)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$3(HookSupport.java:53)
	at net.jqwik.engine.execution.CheckedPropertyFactory.lambda$createTryExecutor$0(CheckedPropertyFactory.java:60)
	at net.jqwik.engine.execution.lifecycle.AroundTryLifecycle.execute(AroundTryLifecycle.java:23)
	at net.jqwik.engine.properties.GenericProperty.testPredicate(GenericProperty.java:166)
	at net.jqwik.engine.properties.GenericProperty.check(GenericProperty.java:68)
	at net.jqwik.engine.execution.CheckedProperty.check(CheckedProperty.java:67)
	at net.jqwik.engine.execution.PropertyMethodExecutor.executeProperty(PropertyMethodExecutor.java:90)
	at net.jqwik.engine.execution.PropertyMethodExecutor.executeMethod(PropertyMethodExecutor.java:69)
	at net.jqwik.engine.execution.PropertyMethodExecutor.lambda$execute$0(PropertyMethodExecutor.java:49)
	at net.jqwik.api.lifecycle.AroundPropertyHook.lambda$static$0(AroundPropertyHook.java:46)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$0(HookSupport.java:26)
	at net.jqwik.engine.hooks.lifecycle.PropertyLifecycleMethodsHook.aroundProperty(PropertyLifecycleMethodsHook.java:57)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$1(HookSupport.java:31)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$0(HookSupport.java:26)
	at net.jqwik.engine.hooks.statistics.StatisticsHook.aroundProperty(StatisticsHook.java:37)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$1(HookSupport.java:31)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$0(HookSupport.java:26)
	at net.jqwik.engine.hooks.lifecycle.AutoCloseableHook.aroundProperty(AutoCloseableHook.java:13)
	at net.jqwik.engine.execution.lifecycle.HookSupport.lambda$wrap$1(HookSupport.java:31)
	at net.jqwik.engine.execution.PropertyMethodExecutor.execute(PropertyMethodExecutor.java:47)
	at net.jqwik.engine.execution.PropertyTaskCreator.executeTestMethod(PropertyTaskCreator.java:166)
	at net.jqwik.engine.execution.PropertyTaskCreator.lambda$createTask$1(PropertyTaskCreator.java:51)
	at net.jqwik.engine.execution.lifecycle.CurrentDomainContext.runWithContext(CurrentDomainContext.java:28)
	at net.jqwik.engine.execution.PropertyTaskCreator.lambda$createTask$2(PropertyTaskCreator.java:50)
	at net.jqwik.engine.execution.pipeline.ExecutionTask$1.lambda$execute$0(ExecutionTask.java:31)
	at net.jqwik.engine.execution.lifecycle.CurrentTestDescriptor.runWithDescriptor(CurrentTestDescriptor.java:17)
	at net.jqwik.engine.execution.pipeline.ExecutionTask$1.execute(ExecutionTask.java:31)
	at net.jqwik.engine.execution.pipeline.ExecutionPipeline.runToTermination(ExecutionPipeline.java:82)
	at net.jqwik.engine.execution.JqwikExecutor.execute(JqwikExecutor.java:46)
	at net.jqwik.engine.JqwikTestEngine.executeTests(JqwikTestEngine.java:70)
	at net.jqwik.engine.JqwikTestEngine.execute(JqwikTestEngine.java:53)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67)
	at org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114)
	at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:86)
	at org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:86)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.processAllTestClasses(JUnitPlatformTestClassProcessor.java:119)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor$CollectAllTestClassesExecutor.access$000(JUnitPlatformTestClassProcessor.java:94)
	at org.gradle.api.internal.tasks.testing.junitplatform.JUnitPlatformTestClassProcessor.stop(JUnitPlatformTestClassProcessor.java:89)
	at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.stop(SuiteTestClassProcessor.java:62)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:36)
	at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24)
	at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:33)
	at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:94)
	at com.sun.proxy.$Proxy2.stop(Unknown Source)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker$3.run(TestWorker.java:193)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.executeAndMaintainThreadName(TestWorker.java:129)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:100)
	at org.gradle.api.internal.tasks.testing.worker.TestWorker.execute(TestWorker.java:60)
	at org.gradle.process.internal.worker.child.ActionExecutionWorker.execute(ActionExecutionWorker.java:56)
	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:113)
	at org.gradle.process.internal.worker.child.SystemApplicationClassLoaderWorker.call(SystemApplicationClassLoaderWorker.java:65)
	at worker.org.gradle.process.internal.worker.GradleWorkerMain.run(GradleWorkerMain.java:69)
	at worker.org.gradle.process.internal.worker.GradleWorkerMain.main(GradleWorkerMain.java:74)
Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: No serializer found for class java.lang.Object and no properties discovered to create BeanSerializer (to avoid exception, disable SerializationFeature.FAIL_ON_EMPTY_BEANS)
	at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:77)
	at com.fasterxml.jackson.databind.SerializerProvider.reportBadDefinition(SerializerProvider.java:1306)
	at com.fasterxml.jackson.databind.DatabindContext.reportBadDefinition(DatabindContext.java:408)
	at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.failForEmpty(UnknownSerializer.java:53)
	at com.fasterxml.jackson.databind.ser.impl.UnknownSerializer.serialize(UnknownSerializer.java:30)
	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
	at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
	at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:4427)
	... 85 more