用eclpise如何打开tomcat下的webapps?

Question

HTTP Status 404 - /JSPBook/CH2/Sayhi--------------------------------------------------------------------------------type Status reportmessage /JSPBook/CH2/Sayhidescription The requested resource (/JSPBook/CH2/Sayhi) is not available.
--------------------------------------------------------------------------------Apache Tomcat/5.0.22
是什么原因？

Answer 1

<servlet>
        <servlet-name>Sayhi</servlet-name>
        <servlet-class>tw.com.javaworld.CH2.Sayhi</servlet-class>
    </servlet>
    <servlet-mapping>
   <servlet-name>Sayhi</servlet-name>
   <url-pattern>/CH2/Sayhi</url-pattern>
    </servlet-mapping>

Answer 2

新建一个tomcat工程然后导入近来，这种是一种copy的办法，直接使用好像不行