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Ralph Goers commented on LOG4J2-3595: ------------------------------------- This implies we would have to create a wrapper for the Disruptor that allows it to bind with either version. Frankly, I suspect that since Disruptor 4 requires Java 11 the best thing to do would be # Possibly support Disruptor 4 when running in Java 11 via the multi-release support (and so only support Disruptor 3 in Java 8) # Upgrade master to only support Disruptor 4. Looking at https://lmax-exchange.github.io/disruptor/changelog.html it isn't clear to me that Disruptor 4 is even GA yet, but we should prepare for it. To be honest, I am not sure how much work I would invest in it on the release-2.x branch and instead focus on getting Log4j 3 released > Supporting disruptor 4.x > ------------------------- > > Key: LOG4J2-3595 > URL: https://issues.apache.org/jira/browse/LOG4J2-3595 > Project: Log4j 2 > Issue Type: New Feature > Reporter: Rohitdev > Priority: Major > > I'm using disruptor 4.x RC release for a project i'm working on. Using jdk 11 > and above. > I'm unable to use it with log4j2 asynclogger as due to API changes in > disruptor 4.x log4j is broken.I cant use older version of disruptor in my > code. as its a primary project dependency. > > I get the following stacktrace > java.lang.NoClassDefFoundError: > com/lmax/disruptor/SequenceReportingEventHandler > at java.base/java.lang.ClassLoader.defineClass1(Native Method) > at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) > at > java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) > at > java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) > at > java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) > at > java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) > at > java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639) > at > java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) > at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) > at > org.apache.logging.log4j.core.async.AsyncLoggerConfigDisruptor.start(AsyncLoggerConfigDisruptor.java:226) > at > org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:311) > at > org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:621) > at > org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:694) > at > org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:711) > at > org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:253) > at > org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:155) > at > org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47) > at org.apache.logging.log4j.LogManager.getContext(LogManager.java:196) > at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:599) > at > tests.ut.pipeline.app.ingestionmgr.IngestionPipelineBuilderTests.<clinit>(IngestionPipelineBuilderTests.java:10) > at > java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native > Method) > at > java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77) > at > java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at > java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499) > at > java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480) > at > org.junit.platform.commons.util.ReflectionUtils.newInstance(ReflectionUtils.java:550) > at > org.junit.jupiter.engine.execution.ConstructorInvocation.proceed(ConstructorInvocation.java:56) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131) > at > org.junit.jupiter.api.extension.InvocationInterceptor.interceptTestClassConstructor(InvocationInterceptor.java:73) > at > org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45) > at > org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37) > at > org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104) > at > org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:77) > at > org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestClassConstructor(ClassBasedTestDescriptor.java:355) > at > org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateTestClass(ClassBasedTestDescriptor.java:302) > at > org.junit.jupiter.engine.descriptor.ClassTestDescriptor.instantiateTestClass(ClassTestDescriptor.java:79) > at > org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:280) > at > org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:272) > at java.base/java.util.Optional.orElseGet(Optional.java:364) > at > org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:271) > at > org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:102) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:101) > at > org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:66) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) > at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) > at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) > at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) > at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) > at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) > at > org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) > at > org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) > at > org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) > at > org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) > at > org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) > at > org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:107) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:88) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.lambda$execute$0(EngineExecutionOrchestrator.java:54) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.withInterceptedStreams(EngineExecutionOrchestrator.java:67) > at > org.junit.platform.launcher.core.EngineExecutionOrchestrator.execute(EngineExecutionOrchestrator.java:52) > at > org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:114) > at > org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:95) > at > org.junit.platform.launcher.core.DefaultLauncherSession$DelegatingLauncher.execute(DefaultLauncherSession.java:91) > at > org.junit.platform.launcher.core.SessionPerRequestLauncher.execute(SessionPerRequestLauncher.java:60) > at > org.eclipse.jdt.internal.junit5.runner.JUnit5TestReference.run(JUnit5TestReference.java:98) > at > org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:40) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:529) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:756) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:452) > at > org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:210) > Caused by: java.lang.ClassNotFoundException: > com.lmax.disruptor.SequenceReportingEventHandler > at > java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) > at > java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) > at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) > ... 90 more -- This message was sent by Atlassian Jira (v8.20.10#820010)