java.lang.IllegalStateException: ApplicationEventMulticaster not initialized - call 'refresh' before multicasting events via the context: Root WebApplicationContext: startup date [Tue Nov 03 09:21:01 CST 2015]; root of context hierarchy
at org.springframework.context.support.AbstractApplicationContext.getApplicationEventMulticaster(AbstractApplicationContext.java:347)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:334)
at org.springframework.context.support.AbstractApplicationContext.doClose(AbstractApplicationContext.java:1049)
at org.springframework.context.support.AbstractApplicationContext.close(AbstractApplicationContext.java:1010)
at org.springframework.web.context.ContextLoader.closeWebApplicationContext(ContextLoader.java:559)
at org.springframework.web.context.ContextLoaderListener.contextDestroyed(ContextLoaderListener.java:143)
at org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4245)
at org.apache.catalina.core.StandardContext.stop(StandardContext.java:4886)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4750)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:840)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1057)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:463)
at org.apache.catalina.core.StandardService.start(StandardService.java:525)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:754)
at org.apache.catalina.startup.Catalina.start(Catalina.java:595)
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:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
这是什么意思呢??