1 信息: validateJarFile(E:\workspace\Tomcat5. 5 \webapps\mediaStorage\WEB - INF\lib\javaee.jar)  -  jar not loaded. See Servlet Spec  2.3 , section  9.7 . 2 . Offending  class : javax / servlet / Servlet. class
 2 ERROR  -  Error configuring application listener of  class  com.sun.faces.config.ConfigureListener
  3 java.lang.NoClassDefFoundError: javax / el / ExpressionFactory
  4     at java.lang.Class.getDeclaredConstructors0(Native Method)
  5     at java.lang.Class.privateGetDeclaredConstructors(Class.java: 2328 )
  6     at java.lang.Class.getConstructor0(Class.java: 2640 )
  7     at java.lang.Class.newInstance0(Class.java: 321 )
  8     at java.lang.Class.newInstance(Class.java: 303 )
  9     at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java: 3712 )
 10     at org.apache.catalina.core.StandardContext.start(StandardContext.java: 4211 )
 11     at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java: 759 )
 12     at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java: 739 )
 13     at org.apache.catalina.core.StandardHost.addChild(StandardHost.java: 524 )
 14     at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java: 904 )
 15     at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java: 867 )
 16     at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java: 474 )
 17     at org.apache.catalina.startup.HostConfig.start(HostConfig.java: 1122 )
 18     at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java: 310 )
 19     at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java: 119 )
 20     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java: 1021 )
 21     at org.apache.catalina.core.StandardHost.start(StandardHost.java: 718 )
 22     at org.apache.catalina.core.ContainerBase.start(ContainerBase.java: 1013 )
 23     at org.apache.catalina.core.StandardEngine.start(StandardEngine.java: 442 )
 24     at org.apache.catalina.core.StandardService.start(StandardService.java: 450 )
 25     at org.apache.catalina.core.StandardServer.start(StandardServer.java: 709 )
 26     at org.apache.catalina.startup.Catalina.start(Catalina.java: 551 )
 27     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 28     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: 39 )
 29     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java: 25 )
 30     at java.lang.reflect.Method.invoke(Method.java: 585 )
 31     at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java: 294 )
 32     at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java: 432 )
 33 ERROR  -  Skipped installing application listeners due to previous error(s)



这个错误是很简单 到网上下一个javaee.jar放到Tomcat5.X 的common/lib下面就好了