利用tomcat部署web项目，已经通过eclipse部署到tomcat的webapps目录下了，tomcat也启动了，能看到启动成功的页面，但访问部署的项目时报错如下：
type Status report
message /BPSbefore/
description The requested resource (/BPSbefore/) is not available.
tomcat启动时的信息如下：
2010-1-29 3:01:51 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8088
2010-1-29 3:01:51 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 406 ms
2010-1-29 3:01:51 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2010-1-29 3:01:51 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.7
2010-1-29 3:01:51 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2010-1-29 3:01:51 org.apache.catalina.core.ApplicationContext log
信息: org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
2010-1-29 3:01:51 org.apache.catalina.loader.WebappClassLoader validateJarFile
信息: validateJarFile(D:\soft\Tomcat 5.5\webapps\BPSbefore\WEB-INF\lib\j2ee.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).
log4j:WARN Please initialize the log4j system properly.
2010-1-29 3:01:52 org.apache.catalina.core.StandardContext listenerStart
严重: Skipped installing application listeners due to previous error(s)
2010-1-29 3:01:52 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2010-1-29 3:01:52 org.apache.catalina.core.StandardContext start
严重: Context startup failed due to previous errors
2010-1-29 3:01:52 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2010-1-29 3:01:52 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2010-1-29 3:01:52 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2010-1-29 3:01:52 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2010-1-29 3:01:52 org.apache.jk.common.ChannelSocket init
信息: JK2: ajp13 listening on /0.0.0.0:8009
2010-1-29 3:01:52 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/15 config=null
2010-1-29 3:01:52 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2010-1-29 3:01:52 org.apache.catalina.startup.Catalina start
信息: Server startup in 1516 ms