頁面顯示不出來，控制台提示：
嚴重: Error filterStart
2009-9-27 21:52:49 org.apache.catalina.core.StandardContext start
嚴重: 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
嚴重: Error filterStart
2009-9-27 21:52:52 org.apache.catalina.core.StandardContext start
嚴重: Context startup failed due to previous errors
2009-9-27 21:52:53 org.apache.coyote.http11.Http11Protocol start
解決方案：
將{TOMCAT_HOME}\common\endorsed中的xml-apis.jar剪切掉就OK了，
