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02.18.2008 at 12:07PM PST, ID: 23172390
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Struts url change to *.do affects css
Hi,
I use Tomcat 4.0 as the webserver for my webapp. Here is the structure of my Struts webapp. webapp/jsp/common/login.jsp is my login page. webapp/css/test.css is my stylesheet for my webapp. So I refer my stylesheet in login.jsp as <link rel="stylesheet" href="../../css/test.css" />

My login page url is http://localhost:8080/webapp/jsp/common/login.jsp - css loads correctly and my button has the stylesheet applied to it. I type in incorrect password, so it gets validated on server side and comes back to login.jsp with error message and here is how thw url looks.
http://localhost:8080/AutomationGUI/login.do;jsessionid=1511589B88D0EB6FB5114882BEADA011
Since the url changed to *.do, my stylesheet is not loaded and my button is plain. I wrote a filer to strip jsessionid, assuming that it might be the problem. But the problem still persists.

What should I do with my css, so that it gets rendered when the page comes back from the server side with *.do.
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Question Stats
Zone: Programming
Question Asked By: sunray_2003
Solution Provided By: summerian
Participating Experts: 2
Solution Grade: A
Views: 8
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02.18.2008 at 06:35PM PST, ID: 20925276

Rank: Master

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02.20.2008 at 12:39AM PST, ID: 20935978

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02.18.2008 at 06:35PM PST, ID: 20925276

Rank: Master

Use <html:rewrite> to generate the path.
Example:
<link rel="stylesheet" href="<html:rewrite page='/css/test.css'/>" />
 
02.20.2008 at 12:39AM PST, ID: 20935978
Hello
It has nothing to do with *.do extension, or jsessionid param. The link to CSS is an information to the user's browser. If you use a relative path to the CSS (without / at the beginning) it will use current link in its address field, and to compute the path.

Example:
css path as yours:
<link rel="stylesheet" href="../../css/test.css" />

link:
http://localhost:8080/webapp/jsp/common/login.jsp

all that is after last '/' is stripped (login.jsp), and the relative path is added:

http://localhost:8080/webapp/jsp/common/../../css/test.css

http://localhost:8080/webapp/css/test.css

And this link happens to be fine.
For link:
http://localhost:8080/AutomationGUI

Css link will look like:

http://localhost:8080/AutomationGUI/../../css/test.css

Which of course does not work.

What you should do, is to ensure that all links to struts actions/jsps are always two directory deep (such as: http://localhost:8080/AutomationGUI/dir1/dir2/action.do, http://localhost:8080/AutomationGUI/dir1/dir2/link.jsp ), but this is a bad idea. Recommended idea is to use absolute path for the CSS, with slash at the beginning, but you have to include context path somehow.
One solution is like boonleng wrote:

<link rel="stylesheet" href="<html:rewrite page='/css/test.css'/>" />

But if you use separate web server (like microsoft IIS) to server static content like CSS, the jsessionid param will probably mess things out, so you can also use:

<link rel="stylesheet" href="<%=request.getContextPath()%>/css/test.css" />
Accepted Solution
 
 
20080236-EE-VQP-29 / EE_QW_2_20070628