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Date: Wed, 19 Sep 2012 14:08:17 +0200
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To: Tomcat Users List <users@tomcat.apache.org>
Subject: Re: Accessing CoyoteRequest attributes in a Servlet
References: <505872EB.3070703@gmail.com> <5058775F.9000300@ice-sa.com>
 <50587B6D.3060609@ice-sa.com> <5058FD57.6020904@christopherschultz.net>
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Christopher Schultz wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> André,
> 
> On 9/18/12 9:47 AM, André Warnier wrote:
>> Still talking about mod_jk, basically anything you set in Apache
>> httpd using "SetEnv" for example, gets passed to Tomcat as a
>> request attribute, through the AJP protocol.
> 
> You need to use JkEnvVar if it's something non-standard (which I
> suspect Phillip's variables are).
> 

You are right, my apologies.  I was a bit quick answering the OP's questions.

So, with correction applied : if you are using mod_jk as the Apache/Tomcat connector, then 
any Apache httpd "environment variable" (that's what Apache httpd doc calls the values set 
via e.g. "SetEnv") /can/ be passed to Tomcat, as a request attribute, by using the 
JkEnvVar directive in the Apache httpd configuration.

See here : http://tomcat.apache.org/connectors-doc/reference/apache.html
(and read the whole JkEnvVar paragraph carefully, for some limitations)

Since I am not frequently using the mod_proxy_ajp connector, I do not know if a similar 
capability exists with it.


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