//----------------下面是Console输出内容
2012-4-25 1:23:47 org.apache.coyote.http11.Http11Protocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2012-4-25 1:23:47 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 1500 ms
2012-4-25 1:23:47 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2012-4-25 1:23:47 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.0.28
2012-4-25 1:23:47 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2012-4-25 1:23:51 org.apache.catalina.loader.WebappClassLoader validateJarFile
信息: validateJarFile(C:\Documents and Settings\Administrator\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\webapps\efmpx\WEB-INF\lib\selenium-server.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
2012-4-25 1:23:51 org.apache.catalina.loader.WebappClassLoader validateJarFile
信息: validateJarFile(C:\Documents and Settings\Administrator\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\webapps\efmpx\WEB-INF\lib\servlet-api-2.4.jar) - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class
2012-4-25 1:23:54 org.apache.catalina.core.StandardContext listenerStart
严重: Skipped installing application listeners due to previous error(s)
2012-4-25 1:23:54 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2012-4-25 1:23:54 org.apache.catalina.core.StandardContext start
严重: Context startup failed due to previous errors
2012-4-25 1:23:54 org.apache.catalina.core.StandardHost getDeployer
信息: Create Host deployer for direct deployment ( non-jmx )
2012-4-25 1:23:54 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path from URL file:C:\Documents and Settings\Administrator\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\webapps\ROOT
2012-4-25 1:23:54 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2012-4-25 1:23:54 org.apache.jk.common.ChannelSocket init
信息: JK2: ajp13 listening on /0.0.0.0:8009
2012-4-25 1:23:54 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/62 config=null
2012-4-25 1:23:54 org.apache.catalina.startup.Catalina start
信息: Server startup in 7328 ms
浏览器中输入：http://localhost:8080/efmpx/
什么错都没有，怎么会报404呢？
------解决方案--------------------
不能说什么错都没有吧：
严重: Skipped installing application listeners due to previous error(s)
2012-4-25 1:23:54 org.apache.catalina.core.StandardContext start
严重: Error listenerStart
2012-4-25 1:23:54 org.apache.catalina.core.StandardContext start
严重: Context startup failed due to previous errors
2012-4-25 1:23:54 org.apache.catalina.core.StandardHost getDeployer