该页面不存在或已经失效！
比方说，您肯定遇到过输入了错误的URL请求而得到404错误码的情形，它表示该页面不存在。
For example, you've certainly entered a request for a URL, typed the URL incorrectly, and received a 404 error code to indicate a page is missing.
下一步您需要创建一个新的js f页面(如果不存在名为addnews. jsp的页面)，该页面基于basetemplate . jtpl，它将用于向数据库的表格中添加消息。
Next you will need to create a new JSF page (if one does not already exist called addnews.jsp) based on the basetemplate.jtpl that will be used for adding news to a table in the database.
下一步您需要创建一个新的js f页面(如果不存在名为addnews. jsp的页面)，该页面基于basetemplate . jtpl，它将用于向数据库的表格中添加消息。
Next you will need to create a new JSF page (if one does not already exist called addnews.jsp) based on the basetemplate.jtpl that will be used for adding news to a table in the database.
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