404/500/錯誤/異常/默認頁面配置彙總.
1、通常的web.xml配置:
<!-- 錯誤頁面: -->
<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>
<!--默認歡迎頁面: -->
<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 - 錯誤頁面:
<default-action-ref name="error"></default-action-ref>
<action name="error">
<result>/error.jsp</result>
</action>
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