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Details

Type: Bug
Resolution: Done
Priority: Major
Fix Version/s: 3.0.5.Final
Affects Version/s: 3.0.3.Final
Component/s: Bootstrap and Metamodel API
Labels:
None

Steps to Reproduce:

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This is a hard one to reproduce consistently. It has so far only happened in our integration tests (because they run the startup code a number of times and this seems to be a race condition) and it only happens in one out of every thousand or so testcases, ie. the chance is not very big.

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This is a hard one to reproduce consistently. It has so far only happened in our integration tests (because they run the startup code a number of times and this seems to be a race condition) and it only happens in one out of every thousand or so testcases, ie. the chance is not very big.
Git Pull Request:
https://github.com/weld/core/pull/1829

Description

One of our integration tests (arquillian based running in WildFly 12) intermittently throws an NPE at startup. We've been tracking it down to an NPE in BeanIdentifierIndex.getIndex(BeanIdentifier identifier), see stacktrace below.

One of our CDI beans is initialised and in its @PostConstruct-method calls a method on an injected EJB, which then through SerializableContextualHolder.<init>().

It seems the field reverseIndex of BeanIdentifierIndex is `null` when `getIndex(...)` gets called but BeanIdentifierIndex.isBuilt() returns true. This is possible because isBuilt() returns whether or not the field `index` is filled (ignoring `reverseIndex`) but during the `build()` method `index` gets set before `reverseIndex` gets built. See BeanIdentifierIndex.build(...), line 127-133.

I think `isBuilt()` should only return true once the `build(...)` method has finished completely.

We're working on adding enough DEBUG logging to confirm this method-call/NPE happens in between WeldStartup#495 and BeanIdentifierIndex#138.

2018-05-05 12:09:58,485 ERROR [org.jboss.as.ejb3.invocation] (ServerService Thread Pool -- 70) WFLYEJB0034: EJB Invocation failed on component AccountDirectoryService for method public void nl.topicus.keyhub.rest.directory.AccountDirectoryService.initDirectories(): javax.ejb.EJBException: java.lang.IllegalStateException: WFLYEE0042: Failed to construct component instance
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:186)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:275)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:330)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:238)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:509)
	at org.jboss.weld.module.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:72)
	at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:89)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.component.invocationmetrics.WaitTimeInterceptor.processInvocation(WaitTimeInterceptor.java:47)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.deployment.processors.StartupAwaitInterceptor.processInvocation(StartupAwaitInterceptor.java:22)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:509)
	at org.jboss.as.ejb3.component.singleton.ContainerManagedConcurrencyInterceptor.processInvocation(ContainerManagedConcurrencyInterceptor.java:106)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:67)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:60)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:438)
	at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:619)
	at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:57)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:53)
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:198)
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:185)
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:81)
	at nl.topicus.keyhub.rest.directory.AccountDirectoryService$$$view66.initDirectories(Unknown Source)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap(Reflections.java:411)
	at org.jboss.weld.module.ejb.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:134)
	at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56)
	at org.jboss.weld.module.ejb.InjectionPointPropagatingEnterpriseTargetBeanInstance.invoke(InjectionPointPropagatingEnterpriseTargetBeanInstance.java:68)
	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:106)
	at nl.topicus.keyhub.rest.directory.AccountDirectoryService$Proxy$_$$_Weld$EnterpriseProxy$.initDirectories(Unknown Source)
	at nl.topicus.keyhub.rest.security.oauth2.KeyHubRestOAuth2Realm.postConstruct(KeyHubRestOAuth2Realm.java:32)
	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.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.invokeMethods(DefaultLifecycleCallbackInvoker.java:83)
	at org.jboss.weld.injection.producer.DefaultLifecycleCallbackInvoker.postConstruct(DefaultLifecycleCallbackInvoker.java:66)
	at org.jboss.weld.injection.producer.BasicInjectionTarget.postConstruct(BasicInjectionTarget.java:122)
	at org.jboss.weld.bean.ManagedBean.create(ManagedBean.java:172)
	at org.jboss.weld.contexts.unbound.DependentContextImpl.get(DependentContextImpl.java:70)
	at org.jboss.weld.bean.ContextualInstanceStrategy$DefaultContextualInstanceStrategy.get(ContextualInstanceStrategy.java:100)
	at org.jboss.weld.bean.ContextualInstance.get(ContextualInstance.java:50)
	at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:689)
	at org.jboss.weld.bean.builtin.InstanceImpl.getBeanInstance(InstanceImpl.java:252)
	at org.jboss.weld.bean.builtin.InstanceImpl.access$400(InstanceImpl.java:73)
	at org.jboss.weld.bean.builtin.InstanceImpl$InstanceImplIterator.next(InstanceImpl.java:325)
	at com.google.common.collect.Iterators$ConcatenatedIterator.next(Iterators.java:1371)
	at com.google.common.collect.ImmutableCollection$Builder.addAll(ImmutableCollection.java:437)
	at com.google.common.collect.ImmutableList$Builder.addAll(ImmutableList.java:849)
	at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:277)
	at com.google.common.collect.ImmutableList.copyOf(ImmutableList.java:234)
	at nl.topicus.cobra.rest.security.CdiWebEnvironment.init(CdiWebEnvironment.java:48)
	at nl.topicus.cobra.rest.security.CdiWebEnvironment$Proxy$_$$_WeldClientProxy.init(Unknown Source)
	at org.apache.shiro.util.LifecycleUtils.init(LifecycleUtils.java:45)
	at nl.topicus.cobra.rest.security.CdiEnvironmentLoaderListener.createEnvironment(CdiEnvironmentLoaderListener.java:22)
	at org.apache.shiro.web.env.EnvironmentLoader.initEnvironment(EnvironmentLoader.java:139)
	at org.apache.shiro.web.env.EnvironmentLoaderListener.contextInitialized(EnvironmentLoaderListener.java:58)
	at io.undertow.servlet.core.ApplicationListeners.contextInitialized(ApplicationListeners.java:187)
	at io.undertow.servlet.core.DeploymentManagerImpl$1.call(DeploymentManagerImpl.java:215)
	at io.undertow.servlet.core.DeploymentManagerImpl$1.call(DeploymentManagerImpl.java:184)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:42)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.security.SecurityContextThreadSetupAction.lambda$create$0(SecurityContextThreadSetupAction.java:105)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1526)
	at io.undertow.servlet.core.DeploymentManagerImpl.deploy(DeploymentManagerImpl.java:249)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:96)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentService$1.run(UndertowDeploymentService.java:78)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1985)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1487)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1378)
	at java.lang.Thread.run(Thread.java:748)
	at org.jboss.threads.JBossThread.run(JBossThread.java:485)
Caused by: java.lang.IllegalStateException: WFLYEE0042: Failed to construct component instance
	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:163)
	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:134)
	at org.jboss.as.ee.component.BasicComponent.createInstance(BasicComponent.java:88)
	at org.jboss.as.ejb3.component.singleton.SingletonComponent.getComponentInstance(SingletonComponent.java:127)
	at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:48)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:273)
	... 96 more
Caused by: javax.ejb.EJBException: java.lang.NullPointerException
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:186)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:275)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.requiresNew(CMTTxInterceptor.java:347)
	at org.jboss.as.ejb3.tx.LifecycleCMTTxInterceptor.processInvocation(LifecycleCMTTxInterceptor.java:74)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.weld.injection.WeldInjectionContextInterceptor.processInvocation(WeldInjectionContextInterceptor.java:43)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ee.concurrent.ConcurrentContextInterceptor.processInvocation(ConcurrentContextInterceptor.java:45)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:60)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:53)
	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:161)
	... 102 more
Caused by: java.lang.NullPointerException
	at org.jboss.weld.serialization.BeanIdentifierIndex.getIndex(BeanIdentifierIndex.java:64)
	at org.jboss.weld.contexts.SerializableContextualFactory$SerializableContextualHolder.<init>(SerializableContextualFactory.java:99)
	at org.jboss.weld.contexts.SerializableContextualFactory$AbstractSerializableBean.<init>(SerializableContextualFactory.java:160)
	at org.jboss.weld.contexts.SerializableContextualFactory$PassivationCapableSerializableBean.<init>(SerializableContextualFactory.java:267)
	at org.jboss.weld.contexts.SerializableContextualFactory.create(SerializableContextualFactory.java:53)
	at org.jboss.weld.serialization.ContextualStoreImpl.getSerializableContextual(ContextualStoreImpl.java:140)
	at org.jboss.weld.contexts.SerializableContextualInstanceImpl.<init>(SerializableContextualInstanceImpl.java:35)
	at org.jboss.weld.contexts.unbound.DependentContextImpl.addDependentInstance(DependentContextImpl.java:112)
	at org.jboss.weld.contexts.unbound.DependentContextImpl.get(DependentContextImpl.java:72)
	at org.jboss.weld.bean.ContextualInstanceStrategy$DefaultContextualInstanceStrategy.get(ContextualInstanceStrategy.java:100)
	at org.jboss.weld.bean.ContextualInstance.get(ContextualInstance.java:50)
	at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:689)
	at org.jboss.weld.manager.BeanManagerImpl.getInjectableReference(BeanManagerImpl.java:789)
	at org.jboss.weld.injection.FieldInjectionPoint.inject(FieldInjectionPoint.java:92)
	at org.jboss.weld.util.Beans.injectBoundFields(Beans.java:335)
	at org.jboss.weld.util.Beans.injectFieldsAndInitializers(Beans.java:346)
	at org.jboss.weld.injection.producer.DefaultInjector$1.proceed(DefaultInjector.java:71)
	at org.jboss.weld.injection.InjectionContextImpl.run(InjectionContextImpl.java:48)
	at org.jboss.weld.injection.producer.DefaultInjector.inject(DefaultInjector.java:73)
	at org.jboss.weld.module.ejb.DynamicInjectionPointInjector.inject(DynamicInjectionPointInjector.java:61)
	at org.jboss.weld.module.ejb.SessionBeanInjectionTarget.inject(SessionBeanInjectionTarget.java:138)
	at org.jboss.as.weld.injection.WeldInjectionContext.inject(WeldInjectionContext.java:39)
	at org.jboss.as.weld.injection.WeldInjectionInterceptor.processInvocation(WeldInjectionInterceptor.java:51)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ee.component.AroundConstructInterceptorFactory$1.processInvocation(AroundConstructInterceptorFactory.java:28)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.weld.injection.WeldInterceptorInjectionInterceptor.processInvocation(WeldInterceptorInjectionInterceptor.java:56)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.weld.interceptors.Jsr299BindingsCreateInterceptor.processInvocation(Jsr299BindingsCreateInterceptor.java:105)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:422)
	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:273)
	... 115 more

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is related to

WELD-2532 Backport WELD-2492 to 2.4 branch

Resolved

NPE in BeanIdentifierIndex.getIndex due to race condition

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