当我尝试web.xml在Eclipse中运行项目时，这是我的错误。

这是我尝试运行项目网页时遇到的主要错误

***SEVERE: Error configuring application listener of `class` org.apache.catalina.deploy.ApplicationListener@1864160e
java.lang.NoClassDefFoundError: javax/servlet/ServletRequestListener****
at java.lang.ClassLoader.findBootstrapClass(Native Method)
    at java.lang.ClassLoader.findBootstrapClassOrNull(`ClassLoader`.java:927)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:298)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:296)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1629)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559)
    at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java:527)
    at org.apache.catalina.core.DefaultInstanceManager.loadClassMaybePrivileged(DefaultInstanceManager.java:509)
    at org.apache.catalina.core.DefaultInstanceManager.newInstance(DefaultInstanceManager.java:137)
    at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4854)
    at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5434)
    at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
    at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:662)
Sep 10, 2013 6:37:24 PM org.apache.catalina.core.StandardContext listenerStart