404/500/错误/异常/默认页面配置汇总

404/500/错误/异常/默认页面配置汇总.

1、通常的web.xml配置：

<!-- 错误页面： -->

<error-page>

<error-code>404</error-code>

<location>/404.html</location>

</error-page>

<error-page>

<error-code>500</error-code>

<location>/500.html</location>

</error-page>

<error-page>

<exception-type>javax.servle.ServletException</exception-type>

<location>/error.html</location>

</error-page>

<error-page>

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

<location>/error.html</location>

</error-page>

<!--默认欢迎页面： -->

<welcome-file-list>

<welcome-file>index.html</welcome-file>

<welcome-file>index.htm</welcome-file>

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

<welcome-file>default.html</welcome-file>

<welcome-file>default.htm</welcome-file>

<welcome-file>default.jsp</welcome-file>

</welcome-file-list>

2、Struts2的struts.xml配置 - 错误页面：

<default-action-ref name="error"></default-action-ref>

<action name="error">

<result>/error.jsp</result>

</action>