在网上下了一个web项目，使用s2sh做的，导入运行后出现：java.lang.NoClassDefFoundError:org/springframework/asm/ClassVisitor
具体错误信息如下：
20:52:10,734 ERROR org.springframework.web.context.ContextLoader:225 - Context initialization failed
java.lang.NoClassDefFoundError: org/springframework/asm/ClassVisitor
at org.springframework.context.support.AbstractRefreshableApplicationContext.customizeBeanFactory(AbstractRefreshableApplicationContext.java:218)
at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:129)
at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:467)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:397)
at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:276)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:197)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4323)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4780)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:785)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:763)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:557)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1124)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1047)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:542)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1390)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:355)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:89)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:313)
at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:293)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:996)
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:771)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:988)
at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:275)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.core.StandardService.startInternal(StandardService.java:427)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:649)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:139)
at org.apache.catalina.startup.Catalina.start(Catalina.java:585)
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:288)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:415)
Caused by: java.lang.ClassNotFoundException: org.springframework.asm.ClassVisitor
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1666)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1511)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
... 39 more
各位知道的帮忙解决一下，先谢谢了（先声明一下：我认为不是缺org.springframework.asm-3.0.5.RELEASE.jar这个包 的原因，因为我已经导入了)
{"uid":1,"hostPeerName":"http://bbs.csdn.net","initialGeometry":"{\"windowCoords_t\":57,\"windowCoords_r\":1045,\"windowCoords_b\":626,\"windowCoords_l\":116,\"frameCoords_t\":1954.5311279296875,\"frameCoords_r\":965.6363525390625,\"frameCoords_b\":2044.5311279296875,\"frameCoords_l\":238.6363525390625,\"styleZIndex\":\"auto\",\"allowedExpansion_t\":0,\"allowedExpansion_r\":0,\"allowedExpansion_b\":0,\"allowedExpansion_l\":0,\"xInView\":0,\"yInView\":0}","permissions":"{\"expandByOverlay\":true,\"expandByPush\":false,\"readCookie\":false,\"writeCookie\":false}","metadata":"{\"shared\":{\"sf_ver\":\"1-0-2\",\"ck_on\":1,\"flash_ver\":\"16.0.0\"}}","reportCreativeGeometry":false}" scrolling="no" marginwidth="0" marginheight="0" width="728" height="90" data-is-safeframe="true" style="box-sizing: content-box; border-width: 0px; vertical-align: bottom;">
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