struts2,,,移除部署项目总是不能移除,拋NoClassDefFoundErrororg.apache.catalina.LifecycleException: Failed to stop component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/MyStudent3.0]]
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:236)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:141)
at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3920)
at org.apache.catalina.startup.HostConfig.checkResources(HostConfig.java:1357)
at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1451)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:296)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1374)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1530)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1540)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1519)
at java.lang.Thread.run(Thread.java:744)
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Caused by: java.lang.NoClassDefFoundError: org/apache/struts2/util/ObjectFactoryDestroyable
at org.apache.struts2.dispatcher.Dispatcher.cleanup(Dispatcher.java:262)
at org.apache.struts2.dispatcher.ng.PrepareOperations.cleanupDispatcher(PrepareOperations.java:179)
at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.destroy(StrutsPrepareAndExecuteFilter.java:100)
at org.apache.catalina.core.ApplicationFilterConfig.release(ApplicationFilterConfig.java:311)
at org.apache.catalina.core.StandardContext.filterStop(StandardContext.java:4686)
at org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5467)
at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:232)
… 12 more
这是怎么回事。。。。。。求详解,谢谢。。。。用的MyEclipse,自带的tomcat7