页面显示不出来，控制台提示：
严重: Error filterStart
2009-9-27 21:52:49 org.apache.catalina.core.StandardContext start
严重: Context startup failed due to previous errors
2009-9-27 21:52:50 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path /jet from URL file:D:/Program Files/Tomcat 5.0/webapps/jet
2009-9-27 21:52:52 org.apache.catalina.core.StandardContext start
严重: Error filterStart
2009-9-27 21:52:52 org.apache.catalina.core.StandardContext start
严重: Context startup failed due to previous errors
2009-9-27 21:52:53 org.apache.coyote.http11.Http11Protocol start
解决方案：
将{TOMCAT_HOME}/common/endorsed中的xml-apis.jar剪切掉就OK了，
别人失去了信心，他却下决心实现自己的目标。
