process errors of user defined URL

[Joshua Cloch]

Hey guys,

When i am intended to input an invalid url like: http://www.javaranch.com

an error page is displayed with these content shown below:

Object not found!

The requested URL was not found on this server. If you entered the URL manually please check your spelling and try again.

If you think this is a server error, please contact the webmaster.
Error 404
saloon.javaranch.com
Apache/2.0.46 (CentOS)

Can I realise this in JSP, and how?

Thanks very much!

[Bear Bibeault]

You can declare custom error pages in the web.xml.

[Joshua Cloch]

Thanks, do you mean declare it like this in web.xml:

<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/errorpage.jsp</location>
</error-page>

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


I have done that,however, it only works when there is an exception being thrown.

If the user is intended to type a URL which doesnot exist,these information is shown below:

HTTP Status 404 - /test.jsp

type Status report

message /test.jsp

description The requested resource (/test.jsp) is not available.
Apache Tomcat/5.5.15

Yeah, these information is correct,but it is not friendly to the user. can the website redirect the user to an error page which prompts the user to use a valid URL?

[Ben Souther]

The error code for a page not found is 404.

 
<error-page>
  <error-code>404</error-code>
  <location>/page-not-found.jsp</location>
</error-page>
   

[Joshua Cloch]

Thanks again!