Web.xml 错误或异常页面配置

     <error-page> 

        <error-code>404</error-code> 

        <location>/error/hello?i=1</location> 

    </error-page> 

    <error-page> 

        <error-code>500</error-code> 

        <location>/WEB-INF/error/500.jsp</location> 

    </error-page> 

    <error-page> 

        <exception-type>java.lang.Exception</exception-type> 

        <location>/WEB-INF/exception/error.jsp</location> 

    </error-page>