jsp-解决文件上传后重启Tomcat时文件自动删除问题

<servlet>
    <servlet-name>default</servlet-name>
    <servlet-class>.apache.catalina.servlets.DefaultServlet</servlet-class>
    <init-param>
      <param-name>debug</param-name>
      <param-value>0</param-value>
    </init-param>
    <init-param>
      <param-name>listings</param-name>
      <param-value>true</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet

<Host name="localhost" appBase="webapps"
      unpackWARs="true" autoDeploy="true"
      xmlValidation="false" xmlNamespaceAware="false">
    <!-- SingleSignOn valve, share authentication between web applications
       Documentation at: /docs/config/valve.html -->
    <!--
    <Valve className=".apache.catalina.authenticator.SingleSignOn" />
    -->
    <!-- Aess log processes all example.
       Documentation at: /docs/config/valve.html -->
    <!--
    <Valve className=".apache.catalina.valves.AessLogValve" directory="logs" 
        prefix="localhost_aess_log." suffix=".txt" pattern="mon" resolveHosts="false"/>
    -->
<!----><Context path="/ser" docBase="D:\project\myProject\editor\WebRoot"></Context>
<!--<Context path="/mvc" docBase="D:\project\myProject\你的项目名\WebRoot"></Context>-->
   </Host>