15:40:00,230 ERROR [org.jboss.as.ejb3.invocation] (MSC service thread 1-2) WFLYEJB0034: EJB Invocation failed on component SchedulerBean for method public abstract void org.jboss.as.quickstarts.cluster.hasingleton.service.ejb.Scheduler.stop(): org.jboss.as.ejb3.component.EJBComponentUnavailableException: WFLYEJB0421: Invocation cannot proceed as component is shutting down
	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:59)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:66)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
	at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636)
	at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
	at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:195)
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:185)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:73)
	at org.jboss.as.quickstarts.cluster.hasingleton.service.ejb.Scheduler$$$view1.stop(Unknown Source)
	at org.jboss.as.quickstarts.cluster.hasingleton.service.ejb.HATimerService.stop(HATimerService.java:85)
	at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:2056)
	at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:2017)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)

15:40:00,234 WARN  [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC000004: Failure during stop of service jboss.quickstart.ha.singleton.timer.service: org.jboss.as.ejb3.component.EJBComponentUnavailableException: WFLYEJB0421: Invocation cannot proceed as component is shutting down
	at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:59)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:66)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.as.ejb3.component.interceptors.AdditionalSetupInterceptor.processInvocation(AdditionalSetupInterceptor.java:54)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ContextClassLoaderInterceptor.processInvocation(ContextClassLoaderInterceptor.java:64)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
	at org.wildfly.security.manager.WildFlySecurityManager.doChecked(WildFlySecurityManager.java:636)
	at org.jboss.invocation.AccessCheckingInterceptor.processInvocation(AccessCheckingInterceptor.java:61)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.InterceptorContext.run(InterceptorContext.java:356)
	at org.jboss.invocation.PrivilegedWithCombinerInterceptor.processInvocation(PrivilegedWithCombinerInterceptor.java:80)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:195)
	at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:185)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:340)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:73)
	at org.jboss.as.quickstarts.cluster.hasingleton.service.ejb.Scheduler$$$view1.stop(Unknown Source)
	at org.jboss.as.quickstarts.cluster.hasingleton.service.ejb.HATimerService.stop(HATimerService.java:85)
	at org.jboss.msc.service.ServiceControllerImpl$StopTask.stopService(ServiceControllerImpl.java:2056)
	at org.jboss.msc.service.ServiceControllerImpl$StopTask.run(ServiceControllerImpl.java:2017)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)