web.xml 配置404和500错误的自定义页面

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
<span style="color:#ff0000;">http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd</span>">

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

<error-page>
<error-code>500</error-code>
<location>/error.jsp</location>
</error-page>

</web-app>