‘我的web.xml是这样写的: <servlet> <servlet-name>HelloWorldServlet</servlet-name> <servlet-class>HelloWorldServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloWorldServlet</servlet-name> <url-pattern>/HelloWorldServlet</url-pattern> </servlet-mapping>.class文件保存在ROOT/classes/下在URL中输入:http://localhost:8080/classes/HelloWorldServlet报错如下:HTTP Status 404 - /classes/HelloWorldServlet--------------------------------------------------------------------------------type Status reportmessage /classes/HelloWorldServletdescription The requested resource (/classes/HelloWorldServlet) is not available. --------------------------------------------------------------------------------Apache Tomcat/5.0.25
<servlet>
<servlet-name>HelloWorldServlet</servlet-name>
<servlet-class>HelloWorldServlet</servlet-class>
</servlet> <servlet-mapping>
<servlet-name>HelloWorldServlet</servlet-name>
<url-pattern>/HelloWorldServlet</url-pattern>
</servlet-mapping>.class文件保存在ROOT/classes/下在URL中输入:http://localhost:8080/classes/HelloWorldServlet报错如下:HTTP Status 404 - /classes/HelloWorldServlet--------------------------------------------------------------------------------type Status reportmessage /classes/HelloWorldServletdescription The requested resource (/classes/HelloWorldServlet) is not available.
--------------------------------------------------------------------------------Apache Tomcat/5.0.25
在URL中输入:http://localhost:8080/classes/HelloWorldServlet
中间的classes不要的
在URL中输入:http://localhost:8080/HelloWorldServlet就OK了
2.如果你的Servlet没有打包,http://localhost:8080/你的web程序目录/HelloWorldServlet