昨天可以用的程序今天就不能用了。。。高手帮我看看是什么问题
2008-9-4 13:30:08 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2008-9-4 13:30:08 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2008-9-4 13:30:09 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2008-9-4 13:30:09 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
log4j:WARN No appenders could be found for logger (org.apache.commons.digester.Digester.sax).
log4j:WARN Please initialize the log4j system properly.
2008-9-4 13:30:16 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2008-9-4 13:30:16 org.apache.catalina.core.StandardContext start
严重: Context [/SSH] startup failed due to previous errors
2008-9-4 13:30:17 org.apache.catalina.loader.WebappClassLoader validateJarFile
信息: validateJarFile(C:\Program Files\Apache Software Foundation\Tomcat 5.5\webapps\WeatherReport\WEB-INF\lib\servlet.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
log4j:WARN No appenders could be found for logger (org.apache.commons.digester.Digester.sax).
log4j:WARN Please initialize the log4j system properly.
2008-9-4 13:30:20 org.apache.coyote.http11.Http11BaseProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2008-9-4 13:30:21 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2008-9-4 13:30:21 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/125 config=null
2008-9-4 13:30:21 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2008-9-4 13:30:22 org.apache.catalina.startup.Catalina start
信息: Server startup in 19672 ms


------解决方案--------------------
检查下你需要的包是不是引进来了