我按照教程裝了Tomcat,可在測試時出現了問題，已經把 ass和 ass文件放在{Tomcat_Install}\webapps\Test\WEB-INF\classes\tw\com\javaworld\下web.xml文件為： <?xml version="1.0" encoding="ISO-8859-1" ?> - <web-app xmlns=" " " " " " version="2.4"> <display-name>Test</display-name> <description>Test Web Application</description> - <servlet> <servlet-name>Hello</servlet-name> <servlet-class> .javaworld.Hello</servlet-class> </servlet>- <servlet-mapping> <servlet-name>Hello</servlet-name> <url-pattern>/Hello</url-pattern> </servlet-mapping>- <servlet> <servlet-name>HelloServlet</servlet-name> <servlet-class> .javaworld.HelloServlet</servlet-class> </servlet>- <servlet-mapping> <servlet-name>HelloServlet</servlet-name> <url-pattern>/HelloServlet</url-pattern> </servlet-mapping>- <welcome-file-list> <welcome-file>index.jsp</welcome-file> <welcome-file> ml</welcome-file> </welcome-file-list> </web-app>在瀏覽器中輸入： :8080/Test/HelloServlet，卻出現了de server encountered an internal error () that prevented it from fulfilling this request.請高手賜教，謝謝

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你把web.xml中的Hello/HelloHelloServlet/HelloServlet改為Hello/Test/HelloHelloServlet/Test/HelloServlet試試