NullPointerException on shutdown in ConfluenceContextLoaderListener

Shutting down JBoss results in:

10:28:32,470 ERROR [[/confluence]] Exception sending context destroyed event to listener instance of class com.atlassian.confluence.util.ConfluenceContextLoaderListener
java.lang.NullPointerException
at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:70)
at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:3710)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4283)
at org.apache.catalina.core.ContainerBase.destroy(ContainerBase.java:1131)
at org.apache.catalina.core.StandardContext.destroy(StandardContext.java:4358)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.commons.modeler.BaseModelMBean.invoke(BaseModelMBean.java:503)
at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:150)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
at org.jboss.web.tomcat.tc5.TomcatDeployer.performUndeployInternal(TomcatDeployer.java:436)
at org.jboss.web.tomcat.tc5.TomcatDeployer.performUndeploy(TomcatDeployer.java:407)
at org.jboss.web.AbstractWebDeployer.stop(AbstractWebDeployer.java:404)
at org.jboss.web.WebModule.stopModule(WebModule.java:85)
at org.jboss.web.WebModule.stopService(WebModule.java:51)
at org.jboss.system.ServiceMBeanSupport.jbossInternalStop(ServiceMBeanSupport.java:320)
at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:224)
at sun.reflect.GeneratedMethodAccessor41.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585) at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80) at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:897)
at $Proxy0.stop(Unknown Source)
at org.jboss.system.ServiceController.stop(ServiceController.java:507)