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  1. JBoss Enterprise Application Platform
  2. JBEAP-9335

Intermittent NPE with graceful start stop scenario with EJBs in clustered environment: org.jboss.as.ejb3.suspend.EJBSuspendHandlerService

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      I have this simple scenario, where I have stateful EJB in clustered environment which is used from servlet. I am continuously sending requests and after some time gracefully stopping one server (the one processing the requests) and then starting it back.
      Intermittently I can see following NPE in logs (attaching full log for reference):

      2017-03-06 08:42:27,199 WARN  [com.arjuna.ats.jta] (default task-5) ARJUNA016029: SynchronizationImple.afterCompletion - failed for org.jboss.as.ejb3.suspend.EJBSuspendHandlerService@edc299ca with exception: java.lang.NullPointerException
      	at org.jboss.as.ejb3.suspend.EJBSuspendHandlerService.doneSuspended(EJBSuspendHandlerService.java:303)
      	at org.jboss.as.ejb3.suspend.EJBSuspendHandlerService.decrementTransactionCount(EJBSuspendHandlerService.java:315)
      	at org.jboss.as.ejb3.suspend.EJBSuspendHandlerService.afterCompletion(EJBSuspendHandlerService.java:285)
      	at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.afterCompletion(SynchronizationImple.java:96)
      	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.afterCompletion(TwoPhaseCoordinator.java:542)
      	at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:101)
      	at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:162)
      	at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1216)
      	at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:126)
      	at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:89)
      	at org.wildfly.transaction.client.LocalTransaction.commitAndDissociate(LocalTransaction.java:69)
      	at org.wildfly.transaction.client.ContextTransactionManager.commit(ContextTransactionManager.java:61)
      	at org.jboss.as.ejb3.tx.CMTTxInterceptor.endTransaction(CMTTxInterceptor.java:91)
      	at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:279)
      	at org.jboss.as.ejb3.tx.CMTTxInterceptor.required(CMTTxInterceptor.java:327)
      	at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:239)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:327)
      	at org.jboss.weld.ejb.AbstractEJBRequestScopeActivationInterceptor.aroundInvoke(AbstractEJBRequestScopeActivationInterceptor.java:64)
      	at org.jboss.as.weld.ejb.EjbRequestScopeActivationInterceptor.processInvocation(EjbRequestScopeActivationInterceptor.java:84)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.component.invocationmetrics.WaitTimeInterceptor.processInvocation(WaitTimeInterceptor.java:47)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.security.SecurityContextInterceptor.processInvocation(SecurityContextInterceptor.java:100)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.deployment.processors.StartupAwaitInterceptor.processInvocation(StartupAwaitInterceptor.java:22)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:67)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:60)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:256)
      	at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:609)
      	at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:57)
      	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:240)
      	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:53)
      	at org.jboss.as.ee.component.ViewService$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:74)
      	at org.jboss.qa.startstop.ha.ejb.resources.StatefulClusteredBean$$$view1.getSerialAndIncrement(Unknown Source)
      	at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:55)
      	at java.lang.reflect.Method.invoke(Method.java:508)
      	at org.jboss.weld.util.reflection.Reflections.invokeAndUnwrap(Reflections.java:433)
      	at org.jboss.weld.bean.proxy.EnterpriseBeanProxyMethodHandler.invoke(EnterpriseBeanProxyMethodHandler.java:127)
      	at org.jboss.weld.bean.proxy.EnterpriseTargetBeanInstance.invoke(EnterpriseTargetBeanInstance.java:56)
      	at org.jboss.weld.bean.proxy.ProxyMethodHandler.invoke(ProxyMethodHandler.java:100)
      	at org.jboss.qa.startstop.ha.ejb.resources.StatefulClusteredBean$Proxy$_$$_Weld$EnterpriseProxy$.getSerialAndIncrement(Unknown Source)
      	at org.jboss.qa.startstop.ha.ejb.resources.StatefulServlet.doGet(StatefulServlet.java:48)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
      	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)
      	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
      	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
      	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)
      	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
      	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
      	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:60)
      	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:77)
      	at io.undertow.security.handlers.NotificationReceiverHandler.handleRequest(NotificationReceiverHandler.java:50)
      	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:46)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
      	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
      	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
      	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
      	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
      	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.security.SecurityContextThreadSetupAction$$Lambda$807.00000000F8340110.call(Unknown Source)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction$$Lambda$808.00000000F83406F0.call(Unknown Source)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction$$Lambda$808.00000000F83406F0.call(Unknown Source)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction$$Lambda$808.00000000F83406F0.call(Unknown Source)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1704)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction$$Lambda$808.00000000F83406F0.call(Unknown Source)
      	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
      	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
      	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
      	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:211)
      	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:809)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1153)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
      	at java.lang.Thread.run(Thread.java:785)
      

        1. server.log
          168 kB
          Radim Hatlapatka

              sdouglas1@redhat.com Stuart Douglas (Inactive)
              rhatlapa@redhat.com Radim Hatlapatka (Inactive)
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                Created:
                Updated:
                Resolved: