web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
 xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
 http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <display-name>Hikvision-CMS</display-name>
 
   <!-- session超時定義,單位爲分鐘 -->
 <session-config>
  <session-timeout>20</session-timeout>
 </session-config>
 
    <mime-mapping>
        <extension>inc</extension>
        <mime-type>text/plain</mime-type>
    </mime-mapping>

   <welcome-file-list>
      <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>

    <error-page>
      <error-code>404</error-code>
      <location>/commons/error.jsp</location>
    </error-page>

    <error-page>
        <error-code>500</error-code>
        <location>/commons/error.jsp</location>
    </error-page>
</web-app>