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URL Decoding Question

URL Decoding Question

2007-08-10       - By Thoku Hansen

 Back
Reply:     1     2  

Hi,

Does Tomcat decode a URL-encoded request before evaluating it against  
servlet url-patterns?

I have a form whose submit action URL includes the jsessionid like this:
<form  
action="Example.action;jsessionid=196273839CE41F0BFBA445F63D3880EB"  
method="post">

When the form is submitted, the request is going through a kind of  
proxy that performs a URL encode before forwarding the request.
When the request is received by Tomcat (v. 6.0.14) it looks like this:
http://foo/Example.action%3Bjsessionid%
3D196273839CE41F0BFBA445F63D3880EB

I have a servlet url-pattern for "*.action". It works fine for  
request URLs like:
http://foo/Example.action
and also
http://foo/Example.action;jsessionid=196273839CE41F0BFBA445F63D3880EB

But when the re-encoded request URL is encountered (below again),  
Tomcat gives a 404 error.
http://foo/Example.action%3Bjsessionid%
3D196273839CE41F0BFBA445F63D3880EB

I do not have any control over the proxy that is doing this re-encoding.

I have two questions:
1. Is the URL encoding that is being done in the above example  
appropriate?
2. Shouldn't Tomcat be URL-decoding this and turning it into its  
original form?

Hope you can shed some light on this.

Thanks,

T.

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