Error loading WebappClassLoader

2010-6-2 9:24:34 org.apache.catalina.core.ApplicationContext log
信息: Marking servlet SimpleUploader as unavailable
2010-6-2 9:24:34 org.apache.catalina.core.ApplicationContext log
严重: Error loading WebappClassLoader
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@1ea0252
com.fredck.FCKeditor.uploader.SimpleUploaderServlet
java.lang.ClassNotFoundException: com.fredck.FCKeditor.uploader.SimpleUploaderServlet
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1027)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3847)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4111)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:918)
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:881)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1126)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
    at org.apache.catalina.core.StandardService.start(StandardService.java:450)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
    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:271)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
2010-6-2 9:24:34 org.apache.catalina.core.ApplicationContext log
严重: Servlet /test threw load() exception
java.lang.ClassNotFoundException: com.fredck.FCKeditor.uploader.SimpleUploaderServlet
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1027)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3847)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4111)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:918)
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:881)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1126)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
    at org.apache.catalina.core.StandardService.start(StandardService.java:450)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
    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:271)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
2010-6-2 9:24:34 org.apache.catalina.core.ApplicationContext log
信息: Marking servlet Connector as unavailable
2010-6-2 9:24:34 org.apache.catalina.core.ApplicationContext log
严重: Error loading WebappClassLoader
  delegate: false
  repositories:
    /WEB-INF/classes/
----------> Parent Classloader:
org.apache.catalina.loader.StandardClassLoader@1ea0252
com.fredck.FCKeditor.connector.ConnectorServlet
java.lang.ClassNotFoundException: com.fredck.FCKeditor.connector.ConnectorServlet
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1027)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3847)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4111)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:918)
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:881)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1126)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
    at org.apache.catalina.core.StandardService.start(StandardService.java:450)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
    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:271)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
2010-6-2 9:24:34 org.apache.catalina.core.ApplicationContext log
严重: Servlet /test threw load() exception
java.lang.ClassNotFoundException: com.fredck.FCKeditor.connector.ConnectorServlet
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1332)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1181)
    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1027)
    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925)
    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3847)
    at org.apache.catalina.core.StandardContext.start(StandardContext.java:4111)
    at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
    at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
    at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
    at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:918)
    at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:881)
    at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:475)
    at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1126)
    at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
    at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
    at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
    at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
    at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
    at org.apache.catalina.core.StandardService.start(StandardService.java:450)
    at org.apache.catalina.core.StandardServer.start(StandardServer.java:683)
    at org.apache.catalina.startup.Catalina.start(Catalina.java:537)
    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:271)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:409)
2010-6-2 9:24:34 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-80
2010-6-2 9:24:34 org.apache.jk.common.ChannelSocket init
信息: JK2: ajp13 listening on /0.0.0.0:8009
2010-6-2 9:24:34 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/16  config=null
2010-6-2 9:24:34 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2010-6-2 9:24:34 org.apache.catalina.startup.Catalina start
信息: Server startup in 1812 ms

----------------解决方案--------------------------------------------------------
java.lang.ClassNotFoundException: com.fredck.FCKeditor.uploader.SimpleUploaderServlet

com.fredck.FCKeditor.uploader.SimpleUploaderServlet这个类不存在
----------------解决方案--------------------------------------------------------
但我在项目中有加入jar包，里面就有这个类啊
----------------解决方案--------------------------------------------------------