我使用的是eclipse调试ssh工程，今天遇到了一个普通的exception，但是解决办法及原因都是很重要的特此记录如下：
2010-12-13 15:33:31 org.apache.catalina.core.AprLifecycleListener lifecycleEvent
信息: The Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: D:\Java\jdk1.5.0_22\jre\bin;.;C:\Windows\system32;C:\Windows;D:\Java\jdk1.5.0_22\jre\bin;D:/Java/jre6/bin/client;D:/Java/jre6/bin;D:\ORA10;C:\Program Files\PC Connectivity Solution\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Common Files\Thunder Network\KanKan\Codecs
2010-12-13 15:33:31 org.apache.coyote.http11.Http11BaseProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2010-12-13 15:33:31 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 747 ms
2010-12-13 15:33:32 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2010-12-13 15:33:32 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.28
2010-12-13 15:33:32 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2010-12-13 15:33:32 org.apache.catalina.core.StandardContext listenerStart
严重: Error configuring application listener of class org.springframework.web.context.ContextLoaderListener
java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
?at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1386)
?at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1232)
?at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3743)
?at org.apache.catalina.core.StandardContext.start(StandardContext.java:4252)
?at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
?at org.apache.catalina.core.StandardHost.start(StandardHost.java:736)
?at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1014)
?at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
?at org.apache.catalina.core.StandardService.start(StandardService.java:448)
?at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)
?at org.apache.catalina.startup.Catalina.start(Catalina.java:552)
?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:592)
?at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:295)
?at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:433)
2010-12-13 15:33:32 org.apache.catalina.core.StandardContext listenerStart
严重: Skipped installing application listeners due to previous error(s)
2010-12-13 15:33:32 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2010-12-13 15:33:32 org.apache.catalina.core.StandardContext start
严重: Context [/videoadmin] startup failed due to previous errors
2010-12-13 15:33:33 org.apache.coyote.http11.Http11BaseProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2010-12-13 15:33:33 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2010-12-13 15:33:33 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=1/44? config=null
2010-12-13 15:33:33 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2010-12-13 15:33:33 org.apache.catalina.startup.Catalina start
信息: Server startup in 1431 ms
原因如下：我部署的这个ssh工程有一个比较特殊的地方就是lib包并不是在WEB-INF下面而是直接在工程中，我配置的jar包都是在编译环境下，因此编译不会有问题。但是启动tomcat的时候eclipse会使用WEB-INF下的lib包，但是却找不到该lib包，所以将所有lib包中的jar包都拷过来就可以启动了。