如何在JSF 2.0中创建自定义404消息？ [英] How to create custom 404 messages in JSF 2.0?

问题描述

目前在我的应用程序中，当用户在URL栏中键入一些非法目标时，看到以下内容：

我想让它更漂亮，并用我自己的标记和一点点

- 我是否需要在应用程序上编程，或者我必须在应用程序服务器中配置它？

- 我应该从哪里开始如果我想这样做？ 您可以声明自定义< error-page> s在 web.xml中取决于< error-code> （ HTTP状态码）或< exception-type> （已引发的完全限定的异常类名称，例如



  /restored/3642969＃3642969>  javax.faces.application.ViewExpiredException  ） lang-xml prettyprint-override> < error-page> 
< error-code> 404< / error-code> 
< location> /WEB-INF/errorpages/404.xhtml< / location> 
< / error-page> 
  

您可以自由填写 404.xhtml 。

Currently in my app when a user types some illegal destination in the URL bar, sees this:

I would like to make it more beautiful and customize it with my own markup and a bit of css.

-Do i need to program that on my app or i have to configure that in the application server?

-Where should i start from if i want to do that?

解决方案

You can declare custom <error-page>s in web.xml depending on <error-code> (the HTTP status code) or <exception-type> (the full qualified exception class name which was been thrown, e.g. javax.faces.application.ViewExpiredException).

<error-page>
    <error-code>404</error-code>
    <location>/WEB-INF/errorpages/404.xhtml</location>
</error-page>

You've all freedom to fill in the markup in 404.xhtml.

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