路径来来回回尝试了N次了 都不行 求解  找不到servlet
<form action="/myDay09/servlet/Demo3" method="get">

servlet设置
  <servlet>
    <servlet-name>ServletRequestDemo3</servlet-name>
    <servlet-class>servletrequest.ServletRequestDemo3</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>ServletRequestDemo3</servlet-name>
    <url-pattern>/servlet/Demo3</url-pattern>
  </servlet-mapping>

路径来来回回尝试了N次了 都不行 求解  找不到servlet
<form action="/myDay09/servlet/Demo3" method="get">

servlet设置
  <servlet>
    <servlet-name>ServletRequestDemo3</servlet-name>
    <servlet-class>servletrequest.ServletRequestDemo3</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>ServletRequestDemo3</servlet-name>
    <url-pattern>/servlet/Demo3</url-pattern>
  </servlet-mapping>