代码诊断：一个servlet发布时的嵌套意外，请高手帮忙啊

Question

配置没有配好，这个servlet没有被找到

Answer 1

哈哈。看这个：
Caused by: java.lang.ClassNotFoundException: ReceiveAttachMail

Answer 2

已经配置了。这是我的web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
                         "http://java.sun.com/dtd/web-app_2_3.dtd">
<!-- Copyright (c) 2002 by ObjectLearn. All Rights Reserved. -->
<web-app>
    <!-- Remove the comments below to define a servlet.          -->
    <!-- +++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
    <!--     <servlet>                                           -->
    <!--       <servlet-name>MyServlet</servlet-name>            -->
    <!--       <servlet-class>examples.MyServlet</servlet-class> -->
    <!--       <init-param>                                      -->
    <!--         <param-name>myparam</param-name>                -->
    <!--         <param-value>12345</param-value>                -->
    <!--       </init-param>                                     -->
    <!--     </servlet>                                          -->
    <!--                                                         -->
    <!--                                                         -->
    <!--     <servlet-mapping>                                   -->
    <!--           <servlet-name>MyServlet</servlet-name>        -->
    <!--           <url-pattern>/mine/*</url-pattern>            -->
    <!--     </servlet-mapping>                                  -->
    <!-- +++++++++++++++++++++++++++++++++++++++++++++++++++++++ -->
    <servlet>
        <servlet-name>ReceiveAttachMail</servlet-name>
        <servlet-class>ReceiveAttachMail</servlet-class>
    </servlet>
    <servlet>
        <servlet-name>SendAttachMail</servlet-name>
        <servlet-class>mail.study.SendAttachMail</servlet-class>
    </servlet>
    <servlet>
        <servlet-name>SendAuthMail</servlet-name>
        <servlet-class>mail.study.SendAuthMail</servlet-class>
    </servlet>
    <servlet>
        <servlet-name>SendMimeMail</servlet-name>
        <servlet-class>mail.study.SendMimeMail</servlet-class>
    </servlet>
    <servlet>
        <servlet-name>ReceiveSimpleMail</servlet-name>
        <servlet-class>mail.study.ReceiveSimpleMail</servlet-class>
    </servlet>
    <servlet>
        <servlet-name>SendSimpleMail</servlet-name>
        <servlet-class>mail.study.SendSimpleMail</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>ReceiveAttachMail</servlet-name>
        <url-pattern>ReceiveAttachMail</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>SendAttachMail</servlet-name>
        <url-pattern>SendAttachMail</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>SendAuthMail</servlet-name>
        <url-pattern>SendAuthMail</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>SendMimeMail</servlet-name>
        <url-pattern>SendMimeMail</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>ReceiveSimpleMail</servlet-name>
        <url-pattern>ReceiveSimpleMail</url-pattern>
    </servlet-mapping>
    <servlet-mapping>
        <servlet-name>SendSimpleMail</servlet-name>
        <url-pattern>SendSimpleMail</url-pattern>
    </servlet-mapping>
    <welcome-file-list>
        <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
    <error-page>
        <error-code>404</error-code>
        <location>/error.jsp</location>
    </error-page>
</web-app>

Answer 3

我自己发现了，上面那个SERVLET配置错，没写包，谢谢各位