Axonframework: java.lang.IncompatibleClassChangeError: Inconsistent constant pool data in classfile for class io/axoniq/axonserver/L. Method g(Lio/axoniq/axonserver/grpc/x;Lio/axoniq/axonserver/grpc/T;)Z at index 143 is CONSTANT_MethodRef and should be CONSTANT_InterfaceMethodRef

[hsq125]

Hi,

The setup

• Axon server 4.0 (executed with java -jar axonserver.jar)
• Axon framework 4.0.3

The problem
I get the following exception when issuing a command:

java.lang.IncompatibleClassChangeError: Inconsistent constant pool data in classfile for class io/axoniq/axonserver/L. Method g(Lio/axoniq/axonserver/grpc/x;Lio/axoniq/axonserver/grpc/T;)Z at index 143 is CONSTANT_MethodRef and should be CONSTANT_InterfaceMethodRef

Log of the Spring Boot application

2018-12-28 14:14:13.301 ERROR 20050 --- [nio-8080-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is AxonServerCommandDispatchException{message=UNKNOWN, errorCode='AXONIQ-4003', server='20050@detailoc4'}] with root cause
org.axonframework.axonserver.connector.command.AxonServerCommandDispatchException: UNKNOWN
at org.axonframework.axonserver.connector.command.AxonServerCommandBus$2.onError(AxonServerCommandBus.java:151) ~[axon-server-connector-4.0.3.jar:4.0.3]
at io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:420) ~[grpc-stub-1.13.1.jar:1.13.1]
at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.CensusStatsModule$StatsClientInterceptor$1$1.onClose(CensusStatsModule.java:684) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.CensusTracingModule$TracingClientInterceptor$1$1.onClose(CensusTracingModule.java:403) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:459) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:63) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:546) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$600(ClientCallImpl.java:467) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:584) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.13.1.jar:1.13.1]
at io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123) ~[grpc-core-1.13.1.jar:1.13.1]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_144]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_144]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_144]`

Log of the Axon Server

~/dev/tools/AxonServer-4.0$ java -jar axonserver.jar
_ ____
/ \ __ _____ _ __ / ___| ___ _ ____ _____ _ __
/ _ \ \ / / _ \| '_ \___ \ / _ \ '__\ \ / / _ \ '__|
/ ___ \ > < (_) | | | |___) | __/ | \ V / __/ |
/_/ _/_/____/|_| |_|____/ ___|_| _/ ___|_|
Standard Edition Powered by AxonIQ
version: 4.0
2018-12-28 14:13:38.330 INFO 19871 --- [ main] io.axoniq.axonserver.AxonServer : Starting AxonServer on detailoc4 with PID 19871 (/home/detailoc/dev/tools/AxonServer-4.0/axonserver.jar started by detailoc in /home/detailoc/dev/tools/AxonServer-4.0)
2018-12-28 14:13:38.335 INFO 19871 --- [ main] io.axoniq.axonserver.AxonServer : No active profile set, falling back to default profiles: default
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.codehaus.groovy.reflection.CachedClass (jar:file:/home/detailoc/dev/tools/AxonServer-4.0/axonserver.jar!/BOOT-INF/lib/groovy-2.4.15.jar!/) to method java.lang.Object.finalize()
WARNING: Please consider reporting this to the maintainers of org.codehaus.groovy.reflection.CachedClass
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
2018-12-28 14:13:42.337 INFO 19871 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8024 (http)
2018-12-28 14:13:51.583 INFO 19871 --- [ main] io.axoniq.axonserver.grpc.Gateway : gRPC Gateway started on port: 8124 - no SSL
2018-12-28 14:13:52.512 INFO 19871 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on port(s): 8024 (http) with context path ''
2018-12-28 14:13:52.523 INFO 19871 --- [ main] io.axoniq.axonserver.AxonServer : Started AxonServer in 15.249 seconds (JVM running for 15.986)
2018-12-28 14:14:13.272 ERROR 19871 --- [-worker-ELG-3-1] .i.SerializeReentrantCallsDirectExecutor : Exception while executing runnable io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed@5695216d
java.lang.IncompatibleClassChangeError: Inconsistent constant pool data in classfile for class io/axoniq/axonserver/L. Method g(Lio/axoniq/axonserver/grpc/x;Lio/axoniq/axonserver/grpc/T;)Z at index 143 is CONSTANT_MethodRef and should be CONSTANT_InterfaceMethodRef
at io.axoniq.axonserver.L.d(nh:14) ~[classes!/:na]
at io.axoniq.axonserver.L.f(nh:133) ~[classes!/:na]
at io.axoniq.axonserver.message.command.CommandDispatcher.d(yg:9) ~[classes!/:na]
at io.axoniq.axonserver.message.command.CommandDispatcher.d(yg:146) ~[classes!/:na]
at io.axoniq.axonserver.grpc.CommandService.dispatch(xr:151) ~[classes!/:na]
at io.axoniq.axonserver.grpc.k.l.invoke(so:205) ~[classes!/:na]
at io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171) ~[grpc-stub-1.13.1.jar!/:1.13.1]
at io.grpc.PartialForwardingServerCallListener.onHalfClose(PartialForwardingServerCallListener.java:35) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.ForwardingServerCallListener.onHalfClose(ForwardingServerCallListener.java:23) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.ForwardingServerCallListener$SimpleForwardingServerCallListener.onHalfClose(ForwardingServerCallListener.java:40) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.Contexts$ContextualizedServerCallListener.onHalfClose(Contexts.java:86) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:707) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.SerializeReentrantCallsDirectExecutor.execute(SerializeReentrantCallsDirectExecutor.java:49) ~[grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener.halfClosed(ServerImpl.java:718) [grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.AbstractServerStream$TransportState.deframerClosed(AbstractServerStream.java:242) [grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.netty.NettyServerStream$TransportState.deframerClosed(NettyServerStream.java:156) [grpc-netty-1.13.1.jar!/:1.13.1]
at io.grpc.internal.MessageDeframer.close(MessageDeframer.java:229) [grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.MessageDeframer.closeWhenComplete(MessageDeframer.java:191) [grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.AbstractStream$TransportState.closeDeframer(AbstractStream.java:183) [grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.internal.AbstractServerStream$TransportState.inboundDataReceived(AbstractServerStream.java:269) [grpc-core-1.13.1.jar!/:1.13.1]
at io.grpc.netty.NettyServerStream$TransportState.inboundDataReceived(NettyServerStream.java:199) [grpc-netty-1.13.1.jar!/:1.13.1]
at io.grpc.netty.NettyServerHandler.onDataRead(NettyServerHandler.java:464) [grpc-netty-1.13.1.jar!/:1.13.1]
at io.grpc.netty.NettyServerHandler.access$800(NettyServerHandler.java:98) [grpc-netty-1.13.1.jar!/:1.13.1]
at io.grpc.netty.NettyServerHandler$FrameListener.onDataRead(NettyServerHandler.java:724) [grpc-netty-1.13.1.jar!/:1.13.1]
at io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder$FrameReadListener.onDataRead(DefaultHttp2ConnectionDecoder.java:240) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.Http2InboundFrameLogger$1.onDataRead(Http2InboundFrameLogger.java:48) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.DefaultHttp2FrameReader.readDataFrame(DefaultHttp2FrameReader.java:421) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.DefaultHttp2FrameReader.processPayloadState(DefaultHttp2FrameReader.java:251) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.DefaultHttp2FrameReader.readFrame(DefaultHttp2FrameReader.java:160) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.Http2InboundFrameLogger.readFrame(Http2InboundFrameLogger.java:41) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.DefaultHttp2ConnectionDecoder.decodeFrame(DefaultHttp2ConnectionDecoder.java:118) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.Http2ConnectionHandler$FrameDecoder.decode(Http2ConnectionHandler.java:390) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.http2.Http2ConnectionHandler.decode(Http2ConnectionHandler.java:450) [netty-codec-http2-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:489) [netty-codec-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:428) [netty-codec-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:265) [netty-codec-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:645) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeysPlain(NioEventLoop.java:545) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:499) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:459) [netty-transport-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) [netty-common-4.1.24.Final.jar!/:4.1.24.Final]
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) [netty-common-4.1.24.Final.jar!/:4.1.24.Final]
at java.base/java.lang.Thread.run(Thread.java:844) [na:na]

Note that the problem does not appear when running from docker :|

Any advice?
Thanks,
O

[smcvb]

Hi @hsq125, the 'grpc' part in the package of the exception is very likely key in this situation.
The Axon Server Connector dependency in your own Axon application has dependencies on gRPC to be able to send the command, event and query messages to Axon Server in the expected format. The dependencies are however relatively deep (transitive), thus might easily be overwritten by other dependencies you might have in your project.

@hsq125, are you by any change pulling in some dependencies from io.grpc? The version the axon-server-connector dependency uses is 1.13.1. Hope we can figure this out quick!

[gerloh]

I had exactly the same problem. It has probably has to do with the java version you are using. If i use java 8 for both server and application it is ok.

[ghilainm]

I have a similar problem. I have a working application, I just add this
implementation("org.axonframework:axon-spring-boot-starter:4.0.3")

to my build.gradle and I get the following error at startup:

java.lang.IncompatibleClassChangeError: Implementing class
        at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[na:na]
        at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1009) ~[na:na]
        at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174) ~[na:na]
        at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:801) ~[na:na]
        at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:699) ~[na:na]
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:622) ~[na:na]
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:580) ~[na:na]
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:190) ~[na:na]
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499) ~[na:na]
        at org.springframework.util.ClassUtils.forName(ClassUtils.java:275) ~[spring-core-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getBeanNamesForType(OnBeanCondition.java:255) ~[spring-boot-autoconfigure-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchingBeans(OnBeanCondition.java:196) ~[spring-boot-autoconfigure-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.boot.autoconfigure.condition.OnBeanCondition.getMatchOutcome(OnBeanCondition.java:116) ~[spring-boot-autoconfigure-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.boot.autoconfigure.condition.SpringBootCondition.matches(SpringBootCondition.java:47) ~[spring-boot-autoconfigure-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.context.annotation.ConditionEvaluator.shouldSkip(ConditionEvaluator.java:108) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForBeanMethod(ConfigurationClassBeanDefinitionReader.java:180) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitionsForConfigurationClass(ConfigurationClassBeanDefinitionReader.java:141) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.annotation.ConfigurationClassBeanDefinitionReader.loadBeanDefinitions(ConfigurationClassBeanDefinitionReader.java:117) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:328) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:233) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:271) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:91) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:694) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:532) ~[spring-context-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:780) ~[spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:412) ~[spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.boot.SpringApplication.run(SpringApplication.java:333) ~[spring-boot-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.boot.test.context.SpringBootContextLoader.loadContext(SpringBootContextLoader.java:139) ~[spring-boot-test-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:99) ~[spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:117) ~[spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:108) ~[spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:117) ~[spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83) ~[spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener.prepareTestInstance(SpringBootDependencyInjectionTestExecutionListener.java:44) ~[spring-boot-test-autoconfigure-2.0.5.RELEASE.jar:2.0.5.RELEASE]
        at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:246) ~[spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:227) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:289) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) [junit-4.12.jar:4.12]
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:291) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:246) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:97) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) [junit-4.12.jar:4.12]
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) [junit-4.12.jar:4.12]
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) [junit-4.12.jar:4.12]
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) [junit-4.12.jar:4.12]
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) [junit-4.12.jar:4.12]
        at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.junit.runners.ParentRunner.run(ParentRunner.java:363) [junit-4.12.jar:4.12]
        at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:190) [spring-test-5.0.9.RELEASE.jar:5.0.9.RELEASE]
        at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.runTestClass(JUnitTestClassExecutor.java:110) [gradle-testing-jvm-5.0.jar:5.0]
        at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:58) [gradle-testing-jvm-5.0.jar:5.0]
        at org.gradle.api.internal.tasks.testing.junit.JUnitTestClassExecutor.execute(JUnitTestClassExecutor.java:38) [gradle-testing-jvm-5.0.jar:5.0]
        at org.gradle.api.internal.tasks.testing.junit.AbstractJUnitTestClassProcessor.processTestClass(AbstractJUnitTestClassProcessor.java:66) [gradle-testing-jvm-5.0.jar:5.0]
        at org.gradle.api.internal.tasks.testing.SuiteTestClassProcessor.processTestClass(SuiteTestClassProcessor.java:51) [gradle-testing-base-5.0.jar:5.0]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
        at java.base/java.lang.reflect.Method.invoke(Method.java:564) ~[na:na]
        at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.dispatch.ContextClassLoaderDispatch.dispatch(ContextClassLoaderDispatch.java:32) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.dispatch.ProxyDispatchAdapter$DispatchingInvocationHandler.invoke(ProxyDispatchAdapter.java:93) [gradle-messaging-5.0.jar:5.0]
        at com.sun.proxy.$Proxy2.processTestClass(Unknown Source) [na:na]
        at org.gradle.api.internal.tasks.testing.worker.TestWorker.processTestClass(TestWorker.java:118) [gradle-testing-base-5.0.jar:5.0]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:na]
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
        at java.base/java.lang.reflect.Method.invoke(Method.java:564) ~[na:na]
        at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:35) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.dispatch.ReflectionDispatch.dispatch(ReflectionDispatch.java:24) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:175) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.remote.internal.hub.MessageHubBackedObjectConnection$DispatchWrapper.dispatch(MessageHubBackedObjectConnection.java:157) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.remote.internal.hub.MessageHub$Handler.run(MessageHub.java:404) [gradle-messaging-5.0.jar:5.0]
        at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:63) [gradle-base-services-5.0.jar:5.0]
        at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:46) [gradle-base-services-5.0.jar:5.0]
        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135) [na:na]
        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635) [na:na]
        at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:55) [gradle-base-services-5.0.jar:5.0]
        at java.base/java.lang.Thread.run(Thread.java:844) [na:na]

[ghilainm]

On my side the issue was caused by having axon-core 3.3.3 on the classpath at the same time as axon 4.x

[smcvb]

@ghilainm so we may assume your issue has been resolved by removing axon-core 3.3.3 from your classpath?

[ghilainm]

@smcvb Indeed yes :).