Fix error log on layout demo when shutting down server

19:50:35,759 WARN  [Component] Exception calling component @Destroy method: layoutDemoContext
java.lang.RuntimeException: exception invoking: getWebLayoutManager
	at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:148)
	at org.jboss.seam.Component.callComponentMethod(Component.java:2201)
	at org.jboss.seam.Component.unwrap(Component.java:2227)
	at org.jboss.seam.Component.getInstance(Component.java:1994)
	at org.jboss.seam.Component.getInstance(Component.java:1940)
	at org.jboss.seam.Component.getInstance(Component.java:1934)
	at org.jboss.seam.Component.getInstanceInAllNamespaces(Component.java:2301)
	at org.jboss.seam.Component.getValueToInject(Component.java:2253)
	at org.jboss.seam.Component.injectAttributes(Component.java:1693)
	at org.jboss.seam.Component.inject(Component.java:1511)
	at org.nuxeo.ecm.platform.ui.web.util.NuxeoBijectionInterceptor.aroundInvoke(NuxeoBijectionInterceptor.java:55)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.nuxeo.ecm.platform.ui.web.util.NuxeoExceptionInterceptor.aroundInvoke(NuxeoExceptionInterceptor.java:79)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:32)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
	at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)
	at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)
	at org.nuxeo.ecm.platform.forms.layout.demo.jsf.LayoutDemoContext_$$_javassist_15.closeCoreSession(LayoutDemoContext_$$_javassist_15.java)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
	at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:138)
	at org.jboss.seam.Component.callComponentMethod(Component.java:2201)
	at org.jboss.seam.Component.callDestroyMethod(Component.java:2132)
	at org.jboss.seam.Component.destroy(Component.java:1426)
	at org.jboss.seam.contexts.Contexts.destroy(Contexts.java:251)
	at org.jboss.seam.contexts.Lifecycle.endSession(Lifecycle.java:249)
	at org.jboss.seam.contexts.ServletLifecycle.endSession(ServletLifecycle.java:146)
	at org.jboss.seam.servlet.SeamListener.sessionDestroyed(SeamListener.java:49)
	at org.apache.catalina.session.StandardSession.expire(StandardSession.java:806)
	at org.apache.catalina.session.StandardSession.expire(StandardSession.java:742)
	at org.apache.catalina.session.StandardManager.stopInternal(StandardManager.java:530)
	at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
	at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5622)
	at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
	at org.apache.catalina.core.ContainerBase$StopChild.call(ContainerBase.java:1575)
	at org.apache.catalina.core.ContainerBase$StopChild.call(ContainerBase.java:1564)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: org.nuxeo.ecm.core.api.ClientException: Error connecting to WebLayoutManager. null
	at org.nuxeo.ecm.platform.forms.layout.service.WebLayoutManagerBusinessDelegate.getWebLayoutManager(WebLayoutManagerBusinessDelegate.java:58)
	at sun.reflect.GeneratedMethodAccessor206.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
	at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
	at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.nuxeo.ecm.platform.ui.web.util.NuxeoExceptionInterceptor.aroundInvoke(NuxeoExceptionInterceptor.java:79)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:32)
	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
	at org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:166)
	at org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:102)
	at org.nuxeo.ecm.platform.forms.layout.service.WebLayoutManagerBusinessDelegate_$$_javassist_14.getWebLayoutManager(WebLayoutManagerBusinessDelegate_$$_javassist_14.java)
	at sun.reflect.GeneratedMethodAccessor205.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
	at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:138)
	... 47 more
Caused by: java.lang.NullPointerException
	at org.nuxeo.runtime.api.Framework.getLocalService(Framework.java:231)
	at org.nuxeo.runtime.api.ServiceManager.getService(ServiceManager.java:127)
	at org.nuxeo.runtime.api.Framework.getService(Framework.java:211)
	at org.nuxeo.ecm.platform.forms.layout.service.WebLayoutManagerBusinessDelegate.getWebLayoutManager(WebLayoutManagerBusinessDelegate.java:54)