解决错误界面的问题

<error-page>
  	<exception-type>java.lang.ArithmeticException</exception-type>
  	<location>/errors.jsp</location>
  </error-page>
  
  
  <error-page>
  	<error-code>404</error-code>
  	<location>/errors/404.jsp</location>
  </error-page>