web.xml配置错误页面转发

<error-page>

<error-code>错误编码</error-code>

<location>转发路径</location>

</error-page>

如：

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

配置错误类型转发

<error-page><error-type>错误类型</error-type><location>转发路径</location></error-page>

如：

<error-page>

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

<location>/error.jsp</location>

</error-page>