Could not instantiate listener org.springframework.web.context.ContextLoaderList

[qq_29587617]

jar包都导入了 ctrl+shift+t 也能找到 我把错误贴上来，大神帮忙看下怎么解决？搞了一下午

2016-11-03 16:37:41.654:INFO:oejs.Server:jetty-8.1.10.v20130312
2016-11-03 16:37:42.256:WARN:oejw.StandardDescriptorProcessor:Could not instantiate listener org.springframework.web.context.ContextLoaderListener
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:424)
at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:377)
at org.eclipse.jetty.server.handler.ContextHandler.loadClass(ContextHandler.java:1517)
at org.eclipse.jetty.webapp.StandardDescriptorProcessor.visitListener(StandardDescriptorProcessor.java:1839)
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.eclipse.jetty.webapp.IterativeDescriptorProcessor.visit(IterativeDescriptorProcessor.java:80)
at org.eclipse.jetty.webapp.IterativeDescriptorProcessor.process(IterativeDescriptorProcessor.java:67)
at org.eclipse.jetty.webapp.MetaData.resolve(MetaData.java:332)
at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1219)
at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:710)
at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:454)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.server.handler.HandlerCollection.doStart(HandlerCollection.java:229)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:95)
at org.eclipse.jetty.server.Server.doStart(Server.java:280)
at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:64)
at org.eclipse.wst.server.preview.internal.PreviewStarter.run(PreviewStarter.java:72)
at org.eclipse.wst.server.preview.internal.PreviewStarter.main(PreviewStarter.java:29)
2016-11-03 16:37:42.334:INFO:oejs.AbstractConnector:Started SelectChannelConnector@0.0.0.0:8080